Rheem RTG2-42 Troubleshooting Manual page 3

Troubleshooting .......................................................................................................................... 40
Troubleshooting Format and Example...................................................................................... 40
Unit Will Not Power On ........................................................................................................... 41
Error Code 00............................................................................................................................ 44
Warning Code 05 ...................................................................................................................... 44
Warning Code 10 ...................................................................................................................... 45
Error Code 11............................................................................................................................ 45
Error Code 12............................................................................................................................ 49
Error Code 13............................................................................................................................ 50
Error Code 14............................................................................................................................ 51
Error Code 15............................................................................................................................ 52
Error Code 16............................................................................................................................ 53
Error Code 21 (Indoor Models Only) ....................................................................................... 53
Error Code 24............................................................................................................................ 54
Error Code 29............................................................................................................................ 54
Error Code 31............................................................................................................................ 54
Error Code 31............................................................................................................................ 55
Error Code 32............................................................................................................................ 55
Error Code 33............................................................................................................................ 56
Error Code 34............................................................................................................................ 56
Error Code 35............................................................................................................................ 57
Error Code 38............................................................................................................................ 57
Error Code 51............................................................................................................................ 57
Error Code 52............................................................................................................................ 58
Error Code 61............................................................................................................................ 59
Error Code 65............................................................................................................................ 59
Error Code 66 (RTG66 Only) ................................................................................................... 60
Error Code 71............................................................................................................................ 60
Error Code 72............................................................................................................................ 60
Error Code 76............................................................................................................................ 61
Error Code 79............................................................................................................................ 61
Error Code 80/81....................................................................................................................... 61
Error Code 82............................................................................................................................ 61
Error Code 90............................................................................................................................ 62
Error Code 99............................................................................................................................ 63
Warning Code IL ...................................................................................................................... 63
Warning Code P1...................................................................................................................... 64
Disassembly and Repair - 1
Printed Circuit Board (PCB)..................................................................................................... 64
Air Filter Switch ....................................................................................................................... 65
Water Inlet Solenoid ................................................................................................................. 65
Hot Water Outlet....................................................................................................................... 66
Transformer............................................................................................................................... 66
Fan Assembly............................................................................................................................ 67
Proportional Gas Flow Regulator ............................................................................................. 68
Burner Plate Cover.................................................................................................................... 69
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Generation 7.4 product series.................................................. 64
2
SVC 810 Tankless Troubleshooting Manual