Understanding the error codes that may arise while using any autoclave is crucial for ensuring its optimal performance and reliability. So in
this article, we will delve into some of the various error codes of the Midmark M3 compact autoclave. Specifically, we’ll look at Error Codes C860 – C887. Deciphering these signals isn’t just about fixing a problem; it’s about ensuring uninterrupted workflow, safeguarding patient and user safety, and preventing costly downtime or potential compliance issues. So we’ll go over the details of what each code means, as well as actions you can take to troubleshoot them.
If you have any questions about these error codes, the Midmark M3 or anything else, please give us a call at 704-966-1650 Option 3 for our Free Tech Support Line.
Error Code C860
Display/Symptom
POWER UP MODE DRYER TEMP HARDWARE
ITEMS NOT STERILE TURN POWER OFF/ON
A/D converter reports a dry heater temperature input value outside the normal limits.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Unkink plastic tube, remove obstruction, or replace.
Cause 2: Dry heaters malfunctioning
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 3: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C861
Display/Symptom
SELECT MODE DRYER TEMP HARDWARE
ITEMS NOT STERILE TURN POWER OFF/ON
A/D converter reports a dry heater temperature input value outside the normal limits.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Unkink plastic tube, remove obstruction, or replace.
Cause 2: Dry heaters malfunctioning
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Midmark Technical Service Department.
Cause 3: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C862
Display/Symptom
CLOSE MODE DRYER TEMP HARDWARE
ITEMS NOT STERILE TURN POWER OFF/ON
A/D converter reports a dry heater temperature input value outside the normal limits.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Unkink plastic tube, remove obstruction, or replace.
Cause 2: Dry heaters malfunctioning
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Midmark Technical Service Department.
Cause 3: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C863
Display/Symptom
HEAT UP MODE DRYER TEMP HARDWARE
ITEMS NOT STERILE TURN POWER OFF/ON
A/D converter reports a dry heater temperature input value outside the normal limits.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Unkink plastic tube, remove obstruction, or replace.
Cause 2: Dry heaters malfunctioning
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Midmark Technical Service Department.
Cause 3: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C864
Display/Symptom
STERILIZE MODE DRYER TEMP HARDWARE
ITEMS NOT STERILE TURN POWER OFF/ON
A/D converter reports a dry heater temperature input value outside the normal limits.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Unkink plastic tube, remove obstruction, or replace.
Cause 2: Dry heaters malfunctioning
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Midmark Technical Service Department.
Cause 3: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C865
Display/Symptom
VENT MODE DRYER TEMP HARDWARE
ITEMS NOT STERILE TURN POWER OFF/ON
A/D converter reports a dry heater temperature input value outside the normal limits.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Unkink plastic tube, remove obstruction, or replace.
Cause 2: Dry heaters malfunctioning
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Midmark Technical Service Department.
Cause 3: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C866
Display/Symptom
OPEN MODE DRYER TEMP HARDWARE
ITEMS NOT STERILE TURN POWER OFF/ON
A/D converter reports a dry heater temperature input value outside the normal limits.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Unkink plastic tube, remove obstruction, or replace.
Cause 2: Dry heaters malfunctioning
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Midmark Technical Service Department.
Cause 3: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C868
Display/Symptom
COMPLETE MODE DRYER TEMP HARDWARE
ITEMS NOT STERILE TURN POWER OFF/ON
A/D converter reports a dry heater temperature input value outside the normal limits.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Unkink plastic tube, remove obstruction, or replace.
Cause 2: Dry heaters malfunctioning
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Midmark Technical Service Department.
Cause 3: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C870
Display/Symptom
POWER UP MODE DRYER TEMP OVER LIMIT
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater temperature greater than 325° F (162.8° C)
Cause 1: Dry heaters malfunctioning.
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 2: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C871
Display/Symptom
SELECT MODE DRYER TEMP OVER LIMIT
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater temperature greater than 325° F (162.8° C)
Cause 1: Dry heaters malfunctioning.
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 2: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C872
Display/Symptom
CLOSE MODE DRYER TEMP OVER LIMIT
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater temperature greater than 325° F (162.8° C)
Cause 1: Dry heaters malfunctioning.
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 2: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C873
Display/Symptom
HEAT UP MODE DRYER TEMP OVER LIMIT
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater temperature greater than 325° F (162.8° C)
Cause 1: Dry heaters malfunctioning.
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 2: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C874
Display/Symptom
STERILIZE MODE DRYER TEMP OVER LIMIT
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater temperature greater than 325° F (162.8° C)
Cause 1: Dry heaters malfunctioning.
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 2: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C875
Display/Symptom
VENT MODE DRYER TEMP OVER LIMIT
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater temperature greater than 325° F (162.8° C)
Cause 1: Dry heaters malfunctioning.
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 2: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C876
Display/Symptom
OPEN MODE DRYER TEMP OVER LIMIT
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater temperature greater than 325° F (162.8° C)
Cause 1: Dry heaters malfunctioning.
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 2: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C877
Display/Symptom
DRY MODE DRYER TEMP OVER LIMIT
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater temperature greater than 325° F (162.8° C)
Cause 1: Dry heaters malfunctioning.
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 2: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C878
Display/Symptom
COMPLETE MODE DRYER TEMP OVER LIMIT
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater temperature greater than 325° F (162.8° C)
Cause 1: Dry heaters malfunctioning.
Check
Put unit into Service Diagnostics and verify heater operation.
Action
If the condition persists, contact Technical Support.
Cause 2: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C881
Display/Symptom
SELECT MODE DRYER HI-LIMIT OPEN
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater high-limit thermostat has opened for at least 0.25 seconds.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Secure heater connections.
Cause 2: PC board malfunctioning.
Check
Perform a Dry Heater Voltage Test.
Action
Replace PC board, if necessary.
Cause 3: Dry heater(s) malfunctioning.
Check
Perform a Dry Heater Resistance Test.
Action
If the condition persists, contact Technical Support.
Cause 4: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
Error Code C887
Display/Symptom
DRY MODE DRYER HI-LIMIT OPEN
ITEMS NOT STERILE TURN POWER OFF/ON
Dry heater high-limit thermostat has opened for at least 0.25 seconds.
Cause 1: Dry heater(s) disconnected from PC board.
Check
Check dry heater connections at J7 & J8 on PC board.
Action
Secure heater connections.
Cause 2: PC board malfunctioning.
Check
Perform a Dry Heater Voltage Test.
Action
Replace PC board, if necessary.
Cause 3: Dry heater(s) malfunctioning.
Check
Perform a Dry Heater Resistance Test.
Action
If the condition persists, contact Technical Support.
Cause 4: Dry heater (s) sensing circuit on PC Board malfunctioning.
Check
No check.
Action
If the condition persists, contact Technical Support.
As always if you have any questions about this process or anything else please feel free to contact us and take advantage of our “FREE TECH SUPPORT.”
We also offer FREE VIRTUAL TECH SUPPORT to “See and Talk” with a “Real Time Live Technician” for any problems you may be in need of help with.
You can also use our “FREE MAINTENANCE PROGRAM”. Take the guesswork and worrying about what unit is due for maintenance and which maintenance cycle it is time for. We will keep track of all your autoclaves and let you know when it’s time for anything.
You can view the Midmark M3 autoclave on our website here for more info.
