
22
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Advanced error code display for more convenient operation and maintenance. Error codes:
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Common failures and treatment.
Temperature sensor error
A0
Outlet temperature sensor error
A7
Water flow over the maximum value
CA
Exhaust Blockage
CF
Air Pressure Switch Wrong Connection
C4
APS doesn’t have pressure
C6
Over-temperature protection
E1
Inlet temperature sensor defective
E2
Thermostat error
E9
No flame
EA
Gas valve connection error
EE
Wrong flame signal
E7
Gas valve leakage
FA
No flame signal
EC