Appendix 2: Error Code Summary - Rinnai Pro Series Installation Manual

Appendix 2: Error code summary

Error display (indoor unit)
When the indoor unit encounters a recognised error, the
operation lamp will flash in a corresponding series, the timer
lamp may turn on or begin flashing, and an error code will be
displayed.
Operation Timer
lamp lamp
1 time OFF
2 times OFF
4 times OFF
6 times OFF
6 times OFF
8 times OFF
9 times OFF
13 times OFF
5 times OFF
5 times OFF
5 times OFF
5 times ON
12 times OFF
7 times FLASH
2 times FLASH
3 times FLASH
5 times FLASH
7 times FLASH
14 times OFF
-- --
4 times OFF
4 times OFF
1 time ON
-- --
34 |
Display Error information
EH00 / EH Indoor unit EEPROM parameter error
EL01 Indoor / outdoor unit communication error
EH03 Indoor fan speed is operating outside of the normal range
EH60 Indoor room temp. sensor T1 is an open circuit or has short
circuited
EH61 Evapourator coil temp. sensor T2 is in an open circuit or has short
circuited
EL0C Refrigerant leakage detection
EH0b Communication error between indoor two chips
EH0E Water level alarm malfunction
EC53 Outdoor room temp. sensor T4 is in an open circuit or has short
circuited
EC52 Condenser coil temp. sensor T3 is in an open circuit or has short
circuited
EC56 Evapourator coil outlet temp. sensor T2B is in an open circuit or
has short circuited
EC51 Outdoor unit EEPROM parameter error
EC07 Outdoor fan speed is operating outside of the normal range
PC00 IPM malfunction or IGBT over-strong current protection
PC01 Over voltage or over low voltage protection
PC02 Top temp. protection of compressor or high temp. protection of
IPM module
PC04 Inverter compressor drive error
PC03 High pressure protection or low pressure protection
EC0d Outdoor unit malfunction
EHbR Communication malfunction between external fan module and
indoor unit
EH3R External DC fan voltage is too low
EH3b External DC fan voltage is too high
-- Indoor units mode conflict with outdoor unit
EH63 Displays on wired wall controller only
Communication error between wired controller and indoor unit
Timer Infrared
indicator receiver
Manual
button
Operation Alarm
indicator indicator
PRE-DEF
(pre-heating/defrost)
indicator
LED display