Troubleshooting Guide

TroubleshootingCH32,CH33

Display

Title

 

Cause of error

Check point & Normal condition

code

 

 

 

 

 

 

 

 

 

 

 

D-pipe (Inverter)

 

• Check the discharge pipe sensor for INV.

 

• Discharge sensor

• Check the install condition for over load.

32

temp. high

 

 

(105°C(221°F)

)

(Inverter) temp. high

• Check the leakage of refrigerant.

 

 

• Check the SVC V/V open.

 

 

 

 

 

 

 

 

 

 

D-pipe (Constant)

 

• Check the discharge pipe sensor for Cons.

 

• Discharge sensor

• Check the install condition for over load.

33

temp. high

 

 

(Cons.) temp. high

• Check the leakage of refrigerant.

 

(105°C(221°F)

)

 

 

• Check the SVC V/V open.

 

 

 

 

 

 

 

 

 

 

105° C

COMP OFF

 

(221° F)

 

 

 

95° C

LEV OPEN/Hz down

 

(203° F)

LEV OPEN/Hz down

 

90° C

 

 

 

(194° F)

NORMAL

 

 

 

 

 

 

 

Inverter

Check Point

• CH 32

1.Check the install condition for over load.

2.Check the SVC V/V open.

3.Check the leakage of refrigerant.

105° C

COMP OFF

(221° F)

 

90° C

LEV OPEN

(194° F)

LEV OPEN

80° C

 

(176° F)

NORMAL

 

 

Constant

• CH 33

1.Check the install condition for over load.

2.Check the SVC V/V open.

3.Check the leakage of refrigerant.

4.Check the constant compressor. (same with CH21)

Service Manual 43

Page 43
Image 43
Heat Controller DMC36CA-1, DMC24CA-1 manual Troubleshooting CH32, CH33, Inverter, Constant