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Tr
oubleshooting
Page 99
5.9 Lack of Phase diagnosis and solution
Description
: Outdoor PCB detects the voltage of one or two phase are very low.
Recommended parts to prepare:
• Problems of 3-phase power supply
• Wiring mistake of 3-phase power supply
• Faulty outdoor PCB
Troubleshooting and repair
:
Lack of phase
Lack of phase
Y ES
Replace the outdoor m ain PC B
Replace the outdoor m ain PC B
is it 3 phase,
220
-
230V ?
is it 3 phase,
220
-
230V ?
Y ES
Is the voltage in outdoor term inal is 3
phase,
220
-
230V ?
Is the voltage in outdoor term inal is 3
phase,
220
-
230V ?
C heck the pow er supply
C heck the pow er supply
C heck the connection betw een pow er supply
and term inal
C heck the connection betw een pow er supply
and term inal
Restart the unit w hen the pow er
supply returns to norm al
Restart the unit w hen the pow er
supply returns to norm al
N O
Reconnect the pow er w iring
Reconnect the pow er w iring
N O
is the pow er w iring
w ired correctly
?
is the pow er w iring
w ired correctly
?
N O
Y ES
Содержание YEFE BZTM-MOW1 Series
Страница 2: ......
Страница 4: ......
Страница 15: ...Specifications Page 11 YUFE18BYTM MO X YUFE24BYTM MO X Y G POWER SUPPLY 24V L N C 1 N 1 TO INDOOR UNIT...
Страница 18: ...Specifications Page 14 YUFE60BYTM MS 1 R S C YUFE60BYSM MS 1 R...
Страница 24: ...Product Features Page 20...
Страница 106: ...Contents i Temperature Sensor Resistance Value Table for T1 T2 T3 and T4 C K 112 i Pressure On Service Port 113...