Breakaway Of Flow Switch - Samsung AM045NN4DEH Series Service Manual

Troubleshooting

4-4-96 Breakaway of Flow switch

Outdoor unit display
Indoor unit display
Criteria
Cause of problem
1. Inspection Method
Check the connection status of Flow Switch.
Is Flow Switch and PCB accurately connected?
Check the junction point signal of Paddle
operation after the Flow Switch disassembly.
Does circulation water flow maintain
144
↔
/
/ (Repeats six times)
. Output status from Pump signal : Does not detect the signal of Flow Switch, more than 5 seconds.
• Does not detect the signal of xxx Hydro Unit Flow Switch. (Flow shortage of Water piping system)
Yes
Junction point are formed?
Yes
Check the water flow.
at least the recommended flow?
Yes
Replace PCB and then restart it.
XXX (xxx : Address of Indoor Unit that error occurred)
No
Connect the Flow Switch and then restart it.
No
No
Check the piping system of circulation water.
Replace Flow Switch.
(Pump operation, Strainer clogging)
Samsung Electronics