14
7.4 Outdoor fan motor windings resistance(@20℃).
Motor model YDK25-6C YDK53-6K
Winding 1 (Main)
170 73±8%
Winding 2 (Sub)
195 134±8%Ω
8. Troubleshooting
For all heat pump model
Failure phenomenon Operation lamp Timer lamp Defrosting lamp
Over current protection of the compressor occurs 4 times
☆
X
☆
Indoor fan speed has been out of control for over 1 minute X
☆ ☆
No over-zero signal
☆ ☆ ☆
Temp. sensor on indoor evaporator is open circuit or short
circuit
X X
☆
Indoor room temp. sensor is open circuit or short circuit X
☆
X
EEROM error On
☆
X
r Extinguish
☆ Flash at 5Hz
9. Electronic function
9.1 Electric Control working environment
9.1.1 Input voltage: 175~253V
9.1.2 Input power frequency:50Hz
9.1.3 Ambient temperature: -7°C~+43°C
9.1.4 Indoor fan normal working amp is less than 1A,
9.1.5 Outdoor fan. Normal working amp is less than 1.5A
9.1.6 Four-way valve normal working amp is less than 1A.
9.1.7 Swing motor: DC12V.
9.1.8 Compressor: single-phase power supply. Its normal working amp is less than 15A
9.2 Proper symbols and their meanings:
TA: Indoor ambient temperature
TE: Indoor evaporator temperature
TS: Setting temperature through the remote controller
I
3sec
: Self-protection amp of compressor, continue three seconds until turns off the compressor.
I
5MIN
: Self-protection amp of compressor, continue five minutes until turns off the compressor.
I
FAN
: Self-protection amp of outdoor fan/indoor fans when they change from higher wind to lower
wind.
I
RESTORE
: Amp self-protection return value
TH
DEFROST
: High wind, defrosting temperature difference
TM
DEFROST
: Middle wind, defrosting temperature difference
TL
DEFROST
: Low wind, defrosting temperature difference
TE1: Anti-cold wind, from Fan Off to Breeze temperature
TE2: Anti-cold wind, from Breeze to Setting Fan Speed temperature
TE3: Anti-cold wind, from Setting Fan Speed to Breeze temperature
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