Rinnai 20 Commercial Manifold Pack OIM
MANIFOLD PACK PREVENTATIVE MAINTENANCE
Your Rinnai Continuous Flow water heaters have self diagnostic capability. If a fault occurs, an Error Code will ash
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
Code
Description Remedy
- Noticeable reduction in water ow Inlet water lter needs to be cleaned - Service Call
03
Power interruption during Bath ll
(Water will not ow on power reinstatement)
Turn o all hot water taps Press On/O twice
05
By-Pass Flow Control Failure Service Call
10
Air Supply or Exhaust Blockage
or Condensate Pipe Blockage
Service Call
11
No ignition / No gas supply
Check gas is turned on at water heater and gas
meter or cylinder
12
Flame Failure / Low gas ow
Check gas is turned on at water heater and gas
meter or cylinder. Check there are no obstructions
to the ue outlet
14
Heat Exchanger Overheat Failure Service Call
15
Venturi Control Failure Service Call
16
Over Temperature Warning Service Call
17
Venturi Blockage Service Call
19
Electrical Earthing Failure Service Call
21
Data Transfer Error Service Call
32
Outgoing Water Temperature Sensor Failure Service Call
33
Heat Exchanger Thermistor Failure Service Call
34
Combustion Air Temperature Sensor Failure Service Call
38
Exhaust Thermistor Failure Service Call
41
Freeze Protection Thermistor Failure Service Call
51
Inlet Thermistor Failure Service Call
52
Gas Valve Failure Service Call
54
High Exhaust Gas Temperature Failure Service Call
S5
Scheduled Service Reminder Service Call
Se
Cascade Connection Failure Service Call
61
Combustion Fan Failure Service Call
65
Water Flow Control Failure
(Does not stop ow properly)
Service Call
70
PCB Failure Service Call
71
Solenoid Valve Circuit Failure Service Call
72
Flame Rod Failure Service Call
Wireless water controller (when tted) is ‘Out of
Range’ due to the distance from transceiver or an
obstruction.
Move wireless water controller or transceiver or
remove the obstruction.
FAULT FINDING