Rinnai 16 Slim Four-Way Cassette OM
PROBLEM POSSIBLE CAUSES SOLUTION
The grill will not
completely insert
into the panel
The air lter may come away from the
panel
Contact a qualied service technician to take
the grill down and check�
The tip of drop hanger may exceed the
outer frame of the grill
Contact a qualied service technician to
adjust the drop hanger eye ring�The tip of
drop hanger should not exceed the outer
frame of the grill�
The grill will not
move up or down
The battery in the remote controller may
need to be replaced
Replace the battery�
The grill hits the barrier and the
suspension wire has come loose
Contact a qualied service technician
to replace the barrier and tighten the
suspension wire�
The wire controller may have selected the
wrong indoor unit
Contact a qualied service technician to
select the right indoor unit�
When placing a service call be sure to inform the service agent or qualied service technician of the problem in
detail and provide them with the unit model number�
Cause
The number
of flashes per
second
Timer
Indicator
Error
Code
Indoor EEPROM (Electrically Erasable Programmable Read-Only
Memory) error
1 OFF E0
Indoor and outdoor unit communication malfunction
2 OFF E1
Indoor fan speed malfunction
4 OFF E3
Indoor room temperature sensor error
5 OFF E4
Evaporator coil temperature sensor error
6 OFF E5
Refrigerant leak detection system malfunction
7 OFF EC
Water level alarm malfunction
8 OFF EE
Dual indoor unit (twin model ony) communication malfunction
9 OFF E8
Other twin model malfunction
10 OFF E9
Overload protection
1 ON F0
Outdoor temperature sensor error
2 ON F1
Outdoor condensor pipe sensor error
3 ON F2
Discharge air temperature sensor error
4 ON F3
Outdoor EEPROM error
5 ON F4
Outdoor fan speed (DC fan motor only) malfunction
6 ON F5
T2b sensor error
7 ON F6
Auto-lifting panel communication error
8 ON F7
Auto-lifting panel malfunction
9 ON F8
Auto-lifting panel is open
10 ON F9
Inverter module IPM protection
1 Flash P0
High/Low voltage protection
2 Flash P1
Compressor top overheating protection
3 Flash P2
Outdoor low temperature protection
4 Flash P3
Compressor drive error
5 Flash P4
Mode conict
6 Flash P5
Compressor low-pressure protection
7 Flash P6
Outdoor IGBT sensor error
8 Flash P7
TROUBLE SHOOTING