Multi Zone Service Manual - General

5. Trouble Shooting
- 72 -
Only for training and service purposes
LEV Openness
(Pulse)
COMP Frequency
(Hz)
Toff(105) °C
T1(90) °C
T2(95) °C
OFFNormal
OFF ControlNormal
Normal
Normal
D-Pipe temp.
32
D-pipe (Inverter)
temp. high
(105°C↑)
• Discharge sensor
(Inverter) 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.
Display
code
Title Cause of error Check point & Normal condition
Check Point
1. Check the install condition for over load.
2. Check the SVC V/V open.
3. Check the leakage of refrigerant.