Troubleshooting
144
Samsung Electronics
Check the connection status of Flow Switch.
Is Flow Switch and PCB accurately connected?
Connect the Flow Switch and then restart it.
Check the junction point signal of Paddle
operation after the Flow Switch disassembly.
Junction point are formed?
Replace Flow Switch.
Check the water flow.
Does circulation water flow maintain
at least the recommended flow?
Check the piping system of circulation water.
(Pump operation, Strainer clogging)
Replace PCB and then restart it.
Yes
No
Yes
Yes
No
No
4-4-96 Breakaway of Flow switch
Indoor unit display
Cause of problem
/
(Repeats six times)
• Does not detect the signal of xxx Hydro Unit Flow Switch. (Flow shortage of Water piping system)
Criteria
. Output status from Pump signal : Does not detect the signal of Flow Switch, more than 5 seconds.
Outdoor unit display
/
↔
XXX (xxx : Address of Indoor Unit that error occurred)
1. Inspection Method
