Heat Controller B-MMC09FA-1 Service Manual page 73

Error
code
33 D-Pipe Temp. High
❑ 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.
Error
code
51 Capacitor error
❑ 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.
Title
• Discharge sensor
temp. high
115°C(239°F)
100°C(212°F)
95°C(203°F)
Title
• Over Capacitor com-
bination
Cause of error
• Check the discharge pipe sensor.
• Check the install condition for over load.
• Check the leakage of refrigerent.
• Check the SVC V/V open.
COMP OFF
LEV OPEN(16PULSE/MIN)
LEV OPEN(10PULSE/MIN)
NORMAL
Cause of error
• Check the indoor unit capacity.
• Check the combination table
Troubleshooting Guide
Check point & Normal condition
Check point & Normal condition
Service Manual 73