Service
-
-
Description
E54
Alarm text on the
display
Alarm
no.
May be due to
S. fault LPT
Sensor fault, low pressure sensor in FDCW100VNX.
- Open-circuit or short-circuit on sensor input
- Sensor does not work (see “Temperature sensor”
section)
- Defective control PCB in FDCW100VNX
- Fault in the refrigerant circuit
Also see the troubleshooting guide on page 130.
E57
Low refrigerant
Insufficient refrigerant is detected at initial startup
in cooling mode.
- Service valve closed
- Loose connection of sensor (BT15 or BT3)
- Defective sensor (BT15 or BT3)
- Insufficient amount of refrigerant
Also see the trouble shooting guide on page 131
E59
Inverter error
Compressor fails to startup for 14 times
(7 patterns × 2 times)
- Defective outdoor fan motor
- Defective inverter PCB in FDCW100VNX
- Compressor fault
- Incoming power supply interference
Also see the trouble shooting guide on page 132
Hot water alarm
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Description
8
9
34
35
Alarm text on the
display
Alarm
no.
May be due to
High HW temp.
High AH temp.
S. fault HW
S. fault AH
Too high temperature (>90°C) on hot water sensor
(BT6).
- Contactor to internal electric heater defective
- Incorrect external heat source setting
Also see the troubleshooting guide on page 113.
- Contactor to internal electric heater defective
- Incorrect external heat source setting
Also see the troubleshooting guide on page 113.
- Sensor does not work (see “Temperature sensor”
section)
Also see the troubleshooting guide on page 116.
- Open-circuit or short-circuit on sensor input
- Sensor does not work (see “Temperature sensor”
section)
Also see the troubleshooting guide on page 116.
- Open-circuit or short-circuit on sensor input
Too high temperature (>90°C) on immersion heater
sensor (BT19).
Sensor fault, hot water (BT6).
Sensor fault, immersion heater (BT19).
Alarm list
Содержание FDCW100VNX
Страница 7: ...For Home Owners 6 For Home Owners ...
Страница 20: ...Installation 19 Installation ...
Страница 42: ...Control 41 Control ...
Страница 66: ...System description 65 System description ...
Страница 81: ...Service 80 Service ...
Страница 138: ...Service Component replacement HM270V FDCW100VNX K E L LEK 1 2 5 6 LEK 3 4 LEK 7 LEK LEK LEK Component replacement ...
Страница 148: ...Components 147 Components ...
Страница 155: ...Technical data 154 Technical data ...
Страница 156: ...Technical data Electrical circuit diagram 155 Electrical circuit diagram HM270V ...
Страница 157: ...Technical data Electrical circuit diagram 156 ...
Страница 158: ...Technical data Electrical circuit diagram 157 ...
Страница 159: ...Technical data Electrical circuit diagram 158 ...
Страница 160: ...Technical data Electrical circuit diagram 159 ...
Страница 166: ...Technical data 165 Dimensions Indoor unit 32 32 55 95 65 52 185 40 42 645 30 60 1760 350 337 127 500 550 Dimensions ...