Troubleshooting
Samsung Electronics
519
Indoor unit display
Cause of problem
• Water Tank Sensor defective
Criteria
• Refer to the judgement method below.
Outdoor unit display
↔
XXX (xxx : Address of Indoor Unit that error occurred)
4-4-99 Water Tank Sensor defective
1. Inspection Method
Replace the indoor PCB .
instal l option reset.
No
Yes
Yes
is the series 5 option set properly?
Reconnection to terminal block
HT (terminal block 3,4)
HE (terminal block 7,8)
No
Yes
Is the hot water tank temperature sensor cable
connected correctly?
Power On.