Electrolux EXH09HL1W, Руководство по обслуживанию

Страница: 48 / 62

210-10 ADL 48/62 599 75 60-77
(13) Mismatching of indoor and outdoor unit
LP is displayed on indoor unit
Yellow LED lamp of outdoor unit blinks for 16 times
# Check if jumper cap of indoor unit is applicable.
(14) Low Pressure Protection (refrigerant leak) (not applicable to this model)
E3 is displayed on indoor unit
Red LED lamp of outdoor unit blinks for 9 time
# Check if refrigerant leaks and if connecting pipe is correctly connected.
(15) Abnormality of 4-way valve
U7 is displayed on indoor unit
# If 4-way valve is abnormally working, check 4-way valve is damaged; cut-off power and unplug 2 wire of 4-way valve. Then
measure resistance between two wire. If the resistance is not between 1~2K, the electromagnetic valve is open circuit. In that
case, replace coil of 4-way valve.
(16) Over-load Protection Function
E8 is displayed on indoor unit
Yellow LED lamp of outdoor unit blinks for 6 times.
Measure temperature of outdoor heat exchanger during COOL operation; measuring temperature of indoor heat exchanger
during HEAT operation.
When T
pipe
≤T1
℃
, the previous operation status will be resumed.
When T
pipe
≥T2
℃
, if T
pipe
≤T1
℃
for continuous 3min, normal operation will be resumed;
When T
pipe
≥T3
℃
, compressor will operate at decreased frequency;
When T
pipe
≥T4
℃
, compressor will stop operation;
During COOL and DRY operations
：
T1=52
，
T2=55
，
T3=58
，
T4=62
；
During HEAT operation
：
T1=50
，
T2=53
，
T=56
，
T4=60
；
# Check if temperature of pipe meets the above conditions of over-load protection.
Needle stand of
jumper cap