York YUFE60BYTM-MS-1 User Manual

Troubleshooting
 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:
L a c k o f p h a se
L a c k o f p h a se
YES
Rep
lace the outdoor m ain PCB
Replace the outdoor m ain PC B
is it 3 phase, 220-230V ?
is it 3 phase, 220-230V ?
YES
Is
the voltage in outdoor term inal is 3
phase, 220-230V ?
Is the voltage in outdoor term inal is 3
phase, 220-230V ?
Check the pow er supply
Check the pow er supply
Check the connection betw een pow er supply
and term inal
Check 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
NO
Reconnect the pow er w iring
Reconnect the pow er w iring
NO
is the pow er w iring
w ire d co rre c tly ?
is the pow er w iring
w ire d co rre c tly ?
NO
YES

York YUFE60BYTM-MS-1 Specifications

General

Brand	York
Model	YUFE60BYTM-MS-1
Category	Air Conditioner
Language	English