Self-Diagnosis - Fisher FSK-94HF Technical & Service Manual

5.1.5 Anti-cold air protection
Only available to heating mode, including heating mode, heating operation under auto mode.
5.1.6 Condenser high temperature protection
5.1.6.1Only available to cooling (incl. cooling mode, cooling operation under auto mode) and dehumidifying
mode.
5.1.6.2 Delay protection should be performed when the compressor restarts.
5.1.7 Water level protection

5.2 Self-diagnosis

5.2.1 Indoor unit
No. Type Contents
1 protection Over current protection of the compressor
occurs 4 times in 1h
2 protection Outdoor protection (absent phrase, phrase
sequence and temperature protection)
3 error Room temperature sensor checking channel
is abnormal
4 error Evaporator sensor checking channel is
abnormal
5 error Condenser sensor checking channel is
abnormal
6 error Temperature fuse is melt(reserved)
LED Flashing
Lamps of operation, timer,
defrosting (only
flashing simultaneously at
5Hz.
All lamps flashing at 5Hz
Timer lamp flashing at 5Hz
Operation lamp flashing at
5Hz
Defrosting lamp flashing at
5Hz
Operation lamp and timer
lamp flashing at 5Hz
15
Remark
Whole unit is shut down.
fan ) It cannot recover unless
power is cut off
Recover automatically
after errors are eliminated