81
Disturbance in comfort
Alarm
nr.
Alarm text on the
display
Description
May be due to
263
Inv. err.
Voltage from the inverter outside the parameters
four times within 30 minutes.
■ Incoming power supply interference
■ Service valve closed
■ Insuffi
cient amount of refrigerant
■ Compressor fault
■ Defective circuit board in FDCW
265
Inv. err.
Continuous deviation on power transistor for 15
minutes.
■ Defective fan motor
■ Defective circuit board in FDCW
267
Inv. err.
Failed start for compressor
■ Defective circuit board in FDCW
■ Defective control board in FDCW
■ Compressor fault
268
Inv. err.
Overcurrent, Inverter A/F module
■ Sudden power failure
271
Lw otd tmp
Temperature of BT28 below the value that
permits operation
■ Cold weather conditions
■ Sensor fault
272
High otd tmp
Temperature of BT28 above the value that
permits operation
■ Warm weather conditions
■ Sensor fault
277
Sensor fault from heat
pump
Sensor fault, heat exchanger in FDCW(Tho-R).
■ Open circuit or short circuit on sensor input
■ Sensor does not work (see section
"Disturbances in comfort")
■ Defective control board in FDCW
278
Sensor fault from heat
pump
Sensor fault, outdoor temperature sensor in
FDCW (Tho-A).
■ Open circuit or short circuit on sensor input
■ Sensor does not work (see section
"Disturbances in comfort")
■ Defective control board in FDCW
279
Sensor fault from heat
pump
Sensor fault, hot gas in FDCW (Tho-D).
■ Open circuit or short circuit on sensor input
■ Sensor does not work (see section
"Disturbances in comfort")
■ Defective control board in FDCW
294
Incompatible heat pump
Heat pump and indoor module do not work
properly together due to technical parameters.
■ Outdoor module and indoor module are not
compatible.
343
Low temp water out
Low water out temperature during cooling or
tank defrost operation
■ Too low water fl ow
■ Too low return temperatur
347
Temp high press
Temporary high pressure alarm
■ No/low water fl ow
■ Air in water system
403
Sensor fault from PCA
154
Sensor fault, Sensor incoming water in indoor
unit (BT3).
■ Open circuit or short circuit on sensor input
■ Sensor does not work (see section
"Disturbances in comfort")
■ Defective control board AA23 in indoor unit.
Содержание HMK60
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Страница 88: ...86 Technical data HMK60 RC HY FDCW60VNX A FDCW60VNX A 2 FDCW60VNX A 3 ...
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Страница 104: ...1 2 FDCW71VNX FDCW100VNX LEK LEK ...
Страница 189: ...85 Technical data Electrical circuit diagram HSB100 ...
Страница 190: ...86 Technical data HMK100 RC HY FDCW FDCW FDCW ...
Страница 191: ...87 Technical data FDCW FDCW RC HY RC HY RC HY ...
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Страница 277: ...71 Technical data Electrical circuit diagram HSB140 ...
Страница 280: ...74 Technical data sheet 3 ...
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Страница 286: ...80 Technical data INDOOR UNIT HSB INDOOR UNIT HSB sheet 5 ...
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