coolbreeze CB4900 - Trouble Shooting

13
TROUBLE SHOOTING
NOT
WORKING
POOR
COOLING
E1
(High Pressure)
E2
(Low Pressure)
E3
(Sensor Problem)
AF
(Anti Freezing)
TROUBLE CHECK REMEDY
● Power plug correctly connected ● Connect plug correctly
● POWER button “OFF” ● Press POWER button to “ON”
● Blown fuse in mains plug ● Replace fuse (MUST BE 13amp.)
● Fuse (supply) blown ● Exchange fuse in board
● Breaker on switch board tripped ● Check load capacity and reset
● Ambient temp. too high ● Use only below 45℃
(HSC-3500 : 40℃)
● Filter blocked with dust ● Clean Filter
● Dust in heat exchanger ● Clean heat exchanger
● Obstacle against inlet side ● Remove and allow 50cm.clearance
● Ambient temp. too high ● Use only below 45℃ (HSC-3500 : 40℃)
● Motor outdoor is not operated ●Check the power supply or replace
the motor
(by authorised service personnel only)
● Hot air from chamber is not blown ● Make good condition to blow out
out completely hot air
● Refrigerant is leaked. ● Supply optimum refrigerant and check
Check with manifold gauge the leakage
(by authorised service personnel only)
● Thermistor sensor wire is cut ● Change the thermistor sensor
● Evaporator is frozen ● Operate continuously till “AF”
(Ambient temp. is under 20℃) disappeared or operate in “FAN” mode