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74 Multi type Air Conditioner
Troubleshooting Guide
Error
Title Cause of error Check point & Normal condition
code
33 D-Pipe Temp. High
• Discharge sensor
temp. high
• Check the discharge pipe sensor.
• Check the install condition for over load.
• Check the leakage of refrigerent.
• Check the SVC V/V open.
Error
Title Cause of error Check point & Normal condition
code
51 Capacitor error
• Over Capacitor com-
bination
• Check the indoor unit capacity.
• Check the combination table
❑ Check Point
1. Check the indoor unit capacity.
2. Check the combination table.
★ In the tropical model case
➔ single cycle has no error for over capacity.
❑ Check Point
1. Check the install condition for over load.
2. Check the SVC V/V open.
3. Check the leakage of refrigerent.
4. Check the constant compressor.
COMP OFF
LEV OPEN(16PULSE/MIN)
LEV OPEN(10PULSE/MIN)
NORMAL
A2UH243FA0/A2UC243FA0
115°C(239°F)
100°C(212°F)
95°C(203°F)