Troubleshooting - York R-410A Technical & Service Manual

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10. Troubleshooting

No Type
1
Malfunction
2
Malfunction
3
Malfunction
4 Alarm
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Contents
The evaporator sensor check
point is abnormal or room temp.
sensor is abnormal.
Indoor/outdoor unit
communication is abnormal.
Condenser sensor check point is
abnormal or outdoor temp.
sensor is abnormal.
Mode conflict
High ESP duct
LED Lamp flash
Run lamp flashes
at 2.5Hz.
The timer lamp
flashes at 2.5Hz.
All the indoor
alarm lamps flash
at 0.5Hz.
Defrost lamp
flashes at 2.5Hz.
- 231 -
Remarks
After the malfunctions
disappear, it restores
automatically.
When the indoor unit turns to
heating mode or is turned off,
the alarm will disappear.