Error Messages - EQUATION EQ3-9K Manuel D'installation

FR
ES
Model
S-AC-10-OUT
PT
IT
EL
PL
RU
KZ
Model
S-AC-11-OUT
UA
RO

Error Messages

Flash times of LED
on mainboard
EN
1
2
4
5
8
9
10
11
12
13
15
16
17
18
19
25
25
25
134
Indoor unit
Connecting
Power cable
wiring
EQ3-24K 4 G 1.0mm² 3 G 2.5mm²
Indoor unit
Indoor unit
Connecting
Power cable
wiring
EQ3-9+12K 2 x 4 G 1.0mm² 3 G 2.5mm²
Trouble description
Eeprom failure
IPM failure
Communication error between main board and spdu module. SPDU
Communication error
High pressure protection
Compressor discharging temperature protection
Abnormal of DC moter
Abnormal of piping sensor
Suction temperature sensor failure
Abnormal of outdoor ambient sensor
Abnormal of compressor discharge sensor
Communication error between main board and outdoor unit
Lack of refrigerant
4-way valve reverse fail
Compressor jam (only for spdu)
Module PWM select circuit error
Compressor U-phase over-current
Compressor V-phase over-current
Compressor W-phase over-current
Connecting wiring
Power cable
Connecting wiring
Connecting wiring
Power cable
Analyze and diagnose
Outdoor main board eeprom fail
IPM failure
Communication fail over 4min
System high pressure over 4.3 Mpa
Compressor discharging temperature over 110 centigrade
Jam of DC motor or motor failure
Piping sensor short-circuit or open-circuit
The wiring of compressor is wrong or the connection is poor
When the The wiring of compressor is wrong or the connection
is poor
Compressor discharge sensor short-circuit or open-circuit
Communication fail over 4min
Check if there is leakage in the unit.
Alarm and stop if detect Tm≤15 last for 1min after compressor has
started for 10min in heating mode, confirm the failure if it appears
3 times in one hour.
Inner compressor is abnormal jammed
Module PWM select wrong circuit
The current of compressor U-phase is too high
The current of compressor V-phase is too high
The current of compressor W-phase is too high