090-12
Cause
Heater bank is not heating. Without heat, the sensor is below the measuring
threshold of 68 °F.
Remedy
A Electric: Check the heater bank (R1) for short circuit and open circuit.
Cause
Electric: Heater relay (K1/1).
Remedy
A Check the heater relay (K1/1).
Cause
Electric: Temperature limiter with manual reset (F1) has tripped.
Remedy
A Reset the temperature limiter (F1).
A Find the cause for the temperature limiter tripping, and rectify it.
Cause
Gas: Gas burner not heating.
Remedy
A Check the gas burner, refer to Gas burner
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Descriptive Technical Documentation
Check, 031 4.1.
DTD no. 12-9800
05.12.2006, US_am