CCH YPF2-12C - Common Failures and Diagnosis; Intelligent Error Detection; Fuse Parameters; Trouble-shooting

Error-detecting code
Multi-functional defection
E1
Error of the coil’s temperature sensor
E2
Error of indoor temperature sensor
E4
Anti-freezing protection: temperature of the coil is too low and
the whole A/C is off. When temperature excesses 8℃, the
protection is released and previous working state is recovered.
Specification: Φ5×20mm
Voltage: 250VAC
Current: 3.15A
In case of any of the following trouble, please contact professional maintenance personnel
in time.
TROUBLE
CAUSE
SOLUTION
The A/C doesn’t
work
Not plug in
Plug in
The display panel displays
“FL”
Restart the A/C after power off and
draining, then it will become normal
Time OFF function is started
The A/C can be restarted 3 minutes
after being turning off.
The A/C starts
frequently
Direct sunlight
Draw the curtain
Doors and windows keep
open; there are lots of people
or heat source in room
Close doors and windows, remove
heat source
Filter screen is very dirty
Clean or replace it
Air inlet or air outlet is blocked
Remove the stem
Big noise of the
A/C
The A/C is placed unevenly
Place it at even and firm ground,
avoid shaking
The compressor
doesn’t work
Its delay protection is started
Wait for 3min., turn on it after
temperature decreases
Notice: When there is any abnormal to the A/C, turn it off and unplug, and then
contact professional maintenance personnel.
The above technical parameters are subject to change without notice.
FUSE PARAMETERS
TROUBLE-SHOOTING