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MAINTENANCE
MAINTENANCE
6.2 Explanation of the Error Codes
If during operation the water heaters display shows a flashing fault code, then please follow the
below actions.
Fault code will be flashing when there is a fault. On such occasions, please turn off the hot water
outlet and then turn on or turn off/then on the monitor, and then turn back on the outlet valve
and try a hot water outlet once or twice. If the display still shows the fault code, please be sure to
close the water valve, turn off the power and contact your installer or the manufacturers after-sales
service.
Error Code Explanation
01 Inlet water temperature sensor fault
10 Detect a flame signal through pre-check
11 Ignition fails
12 Normal combustion flames out accidentally
13 Thermostat fault protection
32 Fan blocking protection
40 Fan or its drive circuit faulty
50 Over temperature protection (outlet is > 80°C)
51 Over temperature protection (inlet is > 65°C)
60 Outlet water temperature sensor fault
70 Wrong programming
80 Timing protection
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