LCAC R32 Series
82
Service manual
PART 5. ELECTRICAL CONTROL SYSTEM
controller, or central controller must be used to clear the fan fault and fault count. The fan runs normally for 5 minutes
while clearing fault count.
For other models:
If the indoor fan speed is lower than 300 RPM for 50 seconds or more, it shuts off and restarts in 30 seconds. If this
happens 3 times, the unit stops and the LED displays the failure code.
0: No malfunction
1: P0 Overcurrent
2: Overpressure
3: Overload
4: Over speed
5: Start up malfunction
6: Lack of phase
7: DC voltage too low
8: Communication fault
9: Parameter fault
10: L3 Current limited
11: L5 Voltage limited
12: Target speed cannot be met during the static pressure calculation process.
1.3 OPERATION MODES AND FUNCTIONS
1.3.1 Fan Mode
(1) Outdoor fan and compressor cease operation.
(2) Temperature setting function is disabled, and no preset temperature is displayed.
(3) Louver operates the same as in cooling mode.
(4) Auto fan:
When it fan-only mode, operates the same as auto fan in cooling mode with the temperature set at 24°C.
a
b
c
d
T1-24
e
H
(H-L)*0.75+L
(H-L)*0.5+L
(H-L)*0.25+L
L
1.3.2 Cooling Mode
1.3.2.1 Outdoor Fan Running Guidelines
The outdoor unit can run at different fan speeds depending on T4.
Fan speeds vary with the model of air conditioner.
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