Omega OTEC IEWQ Series User manual

Service Manual
Table of Contents
Table of Contents
Part : Technical Information .......................................................................1
1. Summary ......................................................................................................................1
. Removal Procedure .......................................................................................
.1 Removal Procedure of Indoor Unit ................................................................
.2 Removal Procedure of Outdoor Unit .............................................................
. Troubleshooting ..................................................................................................
.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ............
.2 Procedure of Troubleshooting ..........................................................................
.3 Troubleshooting for Normal Malfunction ......................................................

1
Technical Information
Service Manual
1. Summary
Part : Technical Information
Indoor Unit
Outdoor Unit
Remote Controller:

35
Installation and Maintenance
Service Manual
. Troubleshooting
.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement

36 Installation and Maintenance
Service Manual

37
Installation and Maintenance
Service Manual

38 Installation and Maintenance
Service Manual

39
Installation and Maintenance
Service Manual

40 Installation and Maintenance
Service Manual
49
Anti-
freezing
protection
for
evaporator
E2
Not the error code. It’s
the status code for the
operation.
50
Cold air
prevention
protection
E9
Not the error code. It’s
the status code for the
operation.
51
Refrigerant
recovery
mode
Fo
Refrigerant recovery. The
Serviceman operates it for
maintenance

41
Installation and Maintenance
Service Manual
52
Malfunction
of detecting
plate(WIFI )
JF
Loads operate normally,
while the unit can’t be
normally controlled by
APP
1.Main board of indoor unit is
2.Detection board is
3.The connection between
indoor unit and detection
53 Defrosting
Heating
indicator
off for 0.5s
and then
blinks for
10s
Not the error code. It’s
the status code for the
operation.
54 outdoor unit
error
oE
Cool: compressor
and outdoor fan stops
operation, while indoor
compressor, outdoor
fan and indoor fan stop
operation.
1. Outdoor ambient
temperature exceeds the
operation range of unit (eg:
less than-20oC or more than
2. Failure startup of
3. Are wires of compressor