Troubleshooting
126
Electrical Control System
2.4.4.5
.
E1 malfunction
For current loop communication (Model 12K):
Measure Vs, is it positive fluctuation?
(Vs is the voltage between S and N of
outdoor unit. Red pan-S, Black pan-N)
Measure Vs, is it positive fluctuation?
(Vs is the voltage between S and N of
outdoor unit. Red pan-S, Black pan-N)
Yes
Power off, then restart the unit 2 minutes later
Power off, then restart the unit 2 minutes later
No
Replace the outdoor main PCB.
Power on. Is the error
extinguished?
Replace the outdoor main PCB.
Power on. Is the error
extinguished?
Check the outdoor wiring connection
Check the outdoor wiring connection
Replace the indoor main PCB.
Power on. Is the error
extinguished?
Replace the indoor main PCB.
Power on. Is the error
extinguished?
Yes
Replace the outdoor main PCB.
Replace the outdoor main PCB.
No
Replace the indoor main PCB.
Replace the indoor main PCB.
No
Check the indoor wiring connection
Check the indoor wiring connection
Yes
Yes
Check whether reactor
is normal?
Check whether reactor
is normal?
Yes
Replace the reactor
Replace the reactor
No
Содержание MUCR-H6 Series
Страница 15: ...Air Velocity Distributions Reference Data Indoor Units 13 30 42K Cooling Heating ...
Страница 16: ...Air Velocity Distributions Reference Data 14 Indoor Units 48 60K Cooling Heating ...
Страница 21: ...Field Wiring Indoor Units 19 10 Field Wiring ...
Страница 30: ...Static Pressure 28 Indoor Units 5 Static Pressure MUCR 12 H6 MUCR 18 H6 ...
Страница 31: ...Static Pressure Indoor Units 29 MUCR 24 H6 MUCR 30 H6 ...
Страница 32: ...Static Pressure 30 Indoor Units MUCR 36 H6 MUCR 42 H6 MUCR 48 H6 MUCR 48 H6T MUCR 60 H6T ...
Страница 41: ...Service Space Indoor Units 39 3 Service Space ...
Страница 52: ...50 Indoor Units 10 Field Wiring ...
Страница 61: ...Field Wiring Indoor Units 59 10 Field Wiring MUCSR 12 H6 MUCSR 18 H6 ...
Страница 64: ...Dimensions 62 Outdoor Units Model Unit mm W D H W1 A B 48 60 952 415 1333 1045 634 404 ...
Страница 95: ...Refrigerant pipe installation Installation 93 ...