48
Modbus / Gas Water Heaters
Fault Codes and Warnings
Note:
Any Fault not listed is an internal CCB failure fault.
Table 42. Fault Codes and Warnings
Index Range
(Decimal)
Index Range
(Hex Code)
Value
0
0
0x000
0x000 Okay (No Fault)
1
6
0x001
0x006 Memory
24
0x018
Incorrect Model
51
56
0x033
0x038 Power Monitor
69
72
0x045
0x048 Temperature Probe Open or Short
153
154
0x099
0x09A Communications Fault
165
0x0A5
High temperature ECO (Energy Cut Off)
175
0x0AF
Safety Relay Closed fault
176
188
0x0B0
0x0BC CCB internal errors
193
194
0x0C1
0x0C2 Processor Clock
198
201
0x0C6
0x0C9 Non-volatile Memory
204
217
0x0CD 0x0D9 Powered Anode
431
0x1AF
Safety Relay Opened fault
1037
1037 0x40D
Element Open Warning
Summary of Contents for Mirius
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