Troubleshooting
SiBE12-713
274
Service Diagnosis
5.27
Signal Transmission Error (on Outdoor Unit PCB)
Remote
Controller
Display
U7
Outdoor Unit LED
Display
A
5
1
1
2
4
3
4
4
4
Method of
Malfunction
Detection
Communication error between microcomputer mounted on the main PCB and PM1.
Malfunction
Decision
Conditions
When the data sent from the PM1 can not be received successively for 9 sec.
The abnormality is determined if the above fault conditions occurs once
Fault counter is reset when the data from the PM1 can be successfully received.
Supposed
Causes
Defective outdoor unit PCB
Troubleshooting
Replace the outdoor unit
PCB.
The cause can be an
external factor other than
the malfunction.
Monitor in long term.
(R5152)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Error again?
NO
YES
Turn the power off and turn it on
again.
Содержание F-Series
Страница 1: ... Applied Models Inverter Multi Cooling Only Inverter Multi Heat Pump F Series SiBE12 713 ...
Страница 11: ...Introduction SiBE12 713 x ...
Страница 47: ...Specifications SiBE12 713 36 Specifications ...
Страница 113: ...Control Specification SiBE12 713 102 Function and Control ...
Страница 122: ...SiBE12 713 Instruction Operation Manual 111 FTK X S 20 25 35 C Names of parts Indoor Unit ...
Страница 235: ...Instruction SiBE12 713 224 Operation Manual ...
Страница 297: ...Check SiBE12 713 286 Service Diagnosis ...
Страница 316: ...SiBE12 713 Outdoor Unit Removal Procedure 305 Step Procedure Points ...
Страница 330: ...SiBE12 713 Others 319 Part 8 Others 1 Others 320 1 1 Test Run from the Remote Controller 320 1 2 Jumper Settings 321 ...