Statim G4 Error Code Cycle Fault 25

What does Statim G4 Cycle Fault 25 Mean?

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The software has failed to detect a need to pump water in 90 seconds of the start of the cycle.

Probable Causes of Statim G4 Cycle Fault 25

1. Power Loss.
-To Repair This: Boiler does not heat up. No power to boiler. -This is a Field Service Tech repair

2. Thermal Fuse.
-To Repair This: Check thermal fuse, using an ohmmeter check for continuity between J1-3 & lower terminal on boiler. If you read less than 1Ω thermal fuse is good. If thermal fuse checks good proceed to step 3, if bad replace and check unit for proper operation. Test pump using pump tester. – This is a Field Service Tech repair

3. Bad Resistance Between Jumpers
-To Repair This: Check resistance reading between J1-3 & J1-4 should read approx. 11Ω. – This is a Field Service Tech. repair

4. Bad Voltage at Jumpers
-To Repair This: Check for line voltage at terminals J1-3 & J1-4 during warm-up. If the reading is good proceed to step 4, if bad, PCB (Printed Circuit Board) is defective. -This is a Shop repair

5. Bad Voltage to Boiler
To Repair This: Check for line voltage at boiler terminals. – This is a Field Service Tech. repair