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Service Manual 43
Troubleshooting Guide
Troubleshooting CH32, CH33
32
33
D-pipe (Inverter)
temp. high
(105°C(221°F) )
D-pipe (Constant)
temp. high
(105°C(221°F) )
• Discharge sensor
(Inverter) temp. high
• Discharge sensor
(Cons.) temp. high
• Check the discharge pipe sensor for INV.
• Check the install condition for over load.
• Check the leakage of refrigerant.
• Check the SVC V/V open.
• Check the discharge pipe sensor for Cons.
• Check the install condition for over load.
• Check the leakage of refrigerant.
• Check the SVC V/V open.
Display
code
Title Cause of error Check point & Normal condition
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.
• 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)
90°C
(194°F)
80°C
(176°F)
95°C
(203°F)
Inverter Constant
105°C
(221°F)
105°C
(221°F)
COMP OFF
COMP OFF
LEV OPEN
LEV OPEN
NORMAL
NORMAL
LEV OPEN/Hz down
LEV OPEN/Hz down
90°C
(194°F)