Daikin 4MXS36NMVJU Service Manual

SiUS121630EA Troubleshooting for Outdoor Unit
Service Diagnosis 179
7.14 Compressor Sensor System Abnormality
Error Code
H0
Outdoor Unit LED
Display
A
j
1
i
2
i
3
h
4
h
5
h
Method of Error
Detection

The system checks the power supply voltage and the DC voltage before the compressor starts.

The system checks the DC current of the compressor right after the compressor starts.
Error Decision
Conditions

The power supply voltage and the DC voltage is obviously low or high.

The DC current of the compressor does not flow when the compressor starts.
Supposed
Causes

Disconnection of reactor

Disconnection of compressor harness

Defective outdoor unit PCB

Defective compressor
+
–
PCB
Compressor
DC voltage
DC current
Power
Module
(R22001)

Daikin 4MXS36NMVJU Specifications

General

Model	4MXS36NMVJU
Category	Air Conditioner
Heating Seasonal Performance Factor (HSPF)	4.0
Number of Connectable Indoor Units	4
Seasonal Energy Efficiency Ratio (SEER)	6.0
Refrigerant	R32
Indoor Units Compatibility	Compatible with various indoor units
Indoor Unit Dimensions (HxWxD)	Varies by model
Indoor Unit Weight	Varies depending on the connected indoor unit model
Operating Temperature (Cooling)	-10 to 46 °C
Operating Temperature (Heating)	-15 to 24 °C
Type	Multi-Split System