GF83.70-S-2003A | Termination of heater operation due to exceptional operating states or defective component, function | 10.10.95 |
MODEL 638 with CODE (H12) Hot-water auxiliary heater
The heater booster startup operation can be terminated by
a defect in the flame monitor or absence of flame formation. During heater operation the heater can be switched off prematurely due to overheating, excessive voltage, termination of
flame or defect in flame monitor or internal coolant temperature measuring system.
Defective flame monitor when starting heater operation | |||
No flame formation when starting heater operation | |||
Heater overheated | |||
Voltage too high or too low during heater operation | |||
Flame discontinued or flame monitor defective during heater operation | |||
Defect in coolant temperature sensor during heater operation |
Referenced documents
- gf8370s3012a Voltage too low or too high during heating mode, function
- gf8370s3013a Flame termination or defect in flame monitor during heater operation, function
- gf8370s3014a Defect in coolant temperature sensor during heater operation, function
- gf8370s3051a Defective flame monitor when starting heater operation, function
- gf8370s3052a No flame formation when starting heater operation, function
- gf8370s3053a Heater overheated, function