Samsung AC180JNHPKH/AR, Руководство по обслуживанию, Страница: 40 / 98

Samsung Electronics 4-7
Wire remote controller display E153
Symptom 2nd Detection of the float switch
Failure Float switch open
4-3-3 Float switch(Open)
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Remove the floating sensor
connector connected to the indoor unit
PCB and the resistance measured between the
two terminals. Is the resistance ∞?
(open circuit)
Is the water level in the drain pan high?
Does drain pump operate
when compressor operates?
Same error occurs again
No
Drain pump PCB
Is the terminal voltage around
DC12V?
Is the water level in
drain pan decreasing?
Reset the indoor unit power and
check the operation of the drain pump.
(it vibrates when operating)
Normal operation
Replace the indoor unit PCB
Reassemble the floating sensor
connector and reset the outdoor unit
power. (Indoor unit power reset is
required)
Normal operation
Replace the floating sensor
when it fails and reset the
indoor unit power
Replace the drain pump
Replace the drain pump Replace the indoor unit PCB
Error occurs
• Float sensor error is cleared only
when the indoor power is reset