Troubleshooting Guide

Error

Description

Cause of error

Check point & Normal condition

code

 

 

 

 

 

 

 

 

 

• Discharge sensor

• Check the discharge pipe sensor.

33

D-Pipe Temp. High

• Check the install condition for over load.

temp. high

• Check for leakage of refrigerent.

 

 

 

 

 

• Check is the Service Valve (SVC V/V) is open.

 

 

 

 

COMP OFF

115°C(239°F)

LEV OPEN(16PULSE/MIN)

100°C(212°F)

LEV OPEN(10PULSE/MIN)

95°C(203°F)

NORMAL

Check Point

1.Check the install condition for over load.

2.Check is the Service Valve (SVC V/V) is open.

3.Check for leakage of refrigerent.

4.Check the constant compressor.

Error

Description

Cause of error

Check point & Normal condition

code

 

 

 

 

 

 

 

51

Capacitor error

• Over Capacitor com-

• Check the indoor unit capacity.

bination

• Check the combination table

 

 

 

 

 

 

Check Point

1.Check the indoor unit capacity.

2.Check the combination table.

single cycle has no error for over capacity.

Wall Mounted Multi-Zone Split System Air Conditioner

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Heat Controller A-MMH24FA-1, B-MMH12FA-1, B-MMC12FA-1, B-MMC09FA-1, B-MMH09FA-1, A-MMH36FA-1, A-MMH18FA-1, A-MMC24FA-1 Comp OFF