Xtreme MSAGBU-09HRFN8-QRD1GW, Service Manual

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 Troubleshooting 4 
2.
2.1
When the indoor unit encounters a recognized error on different models ,
1. the running LED with flash in a corresponding series, the timer LED may turn on or begin flashing;
2. an error code will be displayed;
3. both 1 and 2.
These error codes are described in the following tables:
Running
Lamp
Timer
Lamp
Display Information Solution
-- --
F
Defrost
Normal
Display , not
error code
-- --
CL
Filter cleaning reminder(power on display for 15 seconds)
-- -- CL Active clean
-- --
F
Filter replacement reminder(power on display for 15 seconds)
-- --
FP
Heating in room temperature under 8°C
-- --
FC
Forced cooling
-- -- AP AP mode of WIFI connection
-- --
CP
Remote switched off
1 time OFF
EH 00/EH 0A
Indoor unit EEPROM parameter error TS01-IDU
2 times OFF
EL 01
Indoor/outdoor unit communication error TS02-S-INV
3 times OFF
EH 02
Zero-crossing signal detection error TS03
4 times OFF
EH 03
The indoor fan speed is operating outside of the normal range TS04-S-IDU
5 times OFF
EC 51
Outdoor unit EEPROM parameter error TS01-ODU
5 times OFF
EC 52
Condenser coil temperature sensor T3 is in open circuit or has short
circuited
TS05-ODU
5 times OFF
EC 53
Outdoor room temperature sensor T4 is in open circuit or has short
circuited
TS05-ODU
5 times OFF
EC 54
Compressor discharge temperature sensor TP is in open circuit or
has short circuited
TS05-ODU
5 times OFF
EC 56
Evaporator coil outlet temperature sensor T2B is in open circuit or
has short circuited(for free-match indoor units)
TS05-ODU
6 times OFF
EH 60
Indoor room temperature sensor T1 is in open circuit or has short
circuited
TS05-IDU
6 times OFF
EH 61
Evaporator coil middle temperature sensor T2 is in open circuit or
has short circuited
TS05-IDU
12 times OFF
EC 07
The outdoor fan speed is operating outside of the normal range TS04-ODU
9 times OFF
EH 0
Indoor PCB/Display board communication error TS07
8 times OFF
EL 0C
Refrigerant leakage detection TS06-INV
7 times FLASH PC 00 IPM malfunction or IGBT over-strong current protection TS09-S
2 times FLASH
PC 01
Over voltage or over low voltage protection TS10-S