Daikin Super Multi NX C-Series User Manual

Troubleshooting SiE12-411
182 Service Diagnosis
5.12 Compressor Lock
Remote
Controller
Display
E6
Outdoor Unit LED
Display
A 5 1 1 2 4 3 4 4 1
Method of
Malfunction
Detection
A compressor lock is detected by checking the compressor running condition through the
position detection circuit.
Malfunction
Decision
Conditions
" The position detection circuit detects a compressor frequency of below 10 Hz for 20 seconds
or a frequency of above 160 Hz.
" 40 seconds after the compressor has started, the position detection circuit detects a
compressor frequency of above 180 Hz.
" The system will be shut down if the error occurs 16 times.
" Clearing condition: Continuous run for about 5 minutes (normal)
Supposed
Causes
" Compressor locked
Troubleshooting
Turn off the power. Disconnect the
harnesses U, V and W.
∗ Inverter checker
Part No.: 1225477
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
Replace the compressor.
Check the electronic
expansion valve.
Replace it as required.
Replace the compressor.
(R2842)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
NO
YES
YES
System shut
down after errors repeated
several times?
NO
NO
Normal?
YES
Emergency stop
without compressor
running?
Check with the inverter checker (∗).
Turn off the power and reconnect
the harnesses. Turn on the power
again and get the system restarted.

Daikin Super Multi NX C-Series Specifications

General

Series	Super Multi NX C-Series
Indoor Units	Wall-mounted, Floor-standing, Cassette
Refrigerant	R32
Control	Remote Control, Wi-Fi Control (Optional)
Power Supply	220-240V, 50Hz
Indoor Unit Noise Level	19dB(A) - 45dB(A)
Outdoor Unit Noise Level	45dB(A) - 60dB(A)
Indoor Unit Weight	8kg - 25kg
Outdoor Unit Weight	35kg - 70kg