Fault Finding; Manifold Pack Preventative Maintenance - Rinnai HD28E Operation & Installation Manual

FAULT FINDING

MANIFOLD PACK PREVENTATIVE MAINTENANCE

Your Rinnai Continuous Flow water heaters have self diagnostic capability. If a fault occurs, an Error Code will flash
on the status monitor or inbuilt controller. If you have Water Controllers, this assists with diagnosing the fault and
may enable you to overcome a problem without a service call. Please quote the code displayed when enquiring
about service.
HD Fault Codes
- Noticeable reduction in water flow
Power interruption during Bath fill
03
(Water will not flow on power reinstatement)
By-Pass Flow Control Failure
05
Air Supply or Exhaust Blockage
10
or Condensate Pipe Blockage
11 No ignition / No gas supply
12 Flame Failure / Low gas flow
14 Heat Exchanger Overheat Failure
15 Venturi Control Failure
16 Over Temperature Warning
17
19 Electrical Earthing Failure
21
32 Outgoing Water Temperature Sensor Failure
33 Heat Exchanger Thermistor Failure
34 Combustion Air Temperature Sensor Failure
38 Exhaust Thermistor Failure
41 Freeze Protection Thermistor Failure
51 Inlet Thermistor Failure
52
54 High Exhaust Gas Temperature Failure
S5 Scheduled Service Reminder
Se Cascade Connection Failure
61 Combustion Fan Failure
Water Flow Control Failure
65
(Does not stop flow properly)
70
71 Solenoid Valve Circuit Failure
72
Wireless water controller (when fitted) is 'Out of
Range' due to the distance from transceiver or an
Rinnai
Description
Venturi Blockage
Data Transfer Error
Gas Valve Failure
PCB Failure
Flame Rod Failure
obstruction.
Inlet water filter needs to be cleaned - Service Call
Turn off all hot water taps Press On/Off twice
Check gas is turned on at water heater and gas
meter or cylinder
Check gas is turned on at water heater and gas
meter or cylinder. Check there are no obstructions
to the flue outlet
Move wireless water controller or transceiver or
remove the obstruction.
20
Remedy
Service Call
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Service Call
Commercial Manifold Pack OIM