12—TROUBLESHOOTING
SM YAZE218 1-A.2 GB | 12—6
12.3.3 DMSMP diagnostics
The DMSMP system has 4 IDU LEDs, 1 ODU LED, and 1 Power LED.
Each communication channel is built up from receiving and transmitting channels.
The outdoor controller is the master of communication (always initiated communication) while the
DMSMP and indoor are slave (responds only when it receives).
D
E
L
l
e
n
n
a
h
C
R
i
has communication
The relevant LED
i
will be ON.
R
i
has no communication
The relevant LED
i
will be Off.
Damage
ODU
IDU
LED on DMSMP
How to check?
1
2
3
4
O
To(ODU)
No Com All no com
Off
Off
Off
Off
Off
Voltage To(ODU) no change
Ro(DMSMP) No Com All no com
Off
Off
Off
Off
Off
Voltage To(ODU) changes
Voltage Ro(DMSMP) no change
To(DMSMP) No com
All ok
On
On
On
On
On
Voltage Ro(DMSMP) changes
Voltage To(DMSMP) no change
Ro(ODU)
No com
All ok
On
On
On
On
On
Voltage To (DMSMP) changes
Voltage To (ODU) no changes
T4 (DMSMP) Ok
Indoor 4
On
On
On
Off
On
Exchange with other IDU to know
the problem is in the IDU or the
DMSMP.
R4(IDU)
Ok
Indoor 4
On
On
On
Off
On
T4(IDU)
Ok
All ok
On
On
On
Off
On
R4(DMMSP) Ok
All ok
On
On
On
Off
On
Содержание YAZE218
Страница 11: ...4 1 SM YAZE218 1 A 2 GB 4 OUTLINE DIMENSIONS 4 OUTLINE DIMENSIONS 4 1 Indoor Unit HJD009 012 ...
Страница 13: ...4 OUTLINE DIMENSIONS 4 3 SM YAZE218 1 A 2 GB 4 3 Indoor Unit SXE009 012 4 4 OUTDOOR UNIT YAZE218 ...
Страница 25: ...6 2 SM YAZE218 1 A 2 GB 6 OPERATING CURVES 6 1 2 Heating Technician Mode ...
Страница 26: ...SM YAZE218 1 A 2 GB 6 3 6 OPERATING CURVES 6 1 3 Tubing Length correction Factor ...
Страница 28: ...SM YAZE218 1 A 2 GB 8 1 8 WIRING DIAGRAMS 8 WIRING DIAGRAMS 8 1 YAZE218 Wiring Diagrams ...
Страница 29: ...8 WIRING DIAGRAMS 9 1 SM YAZE218 1 A 2 GB 9 REFRIGERATION DIAGRAMS 9 1 YAZE218 Cooling Mode ...
Страница 30: ...8 WIRING DIAGRAMS SM YAZE218 1 A 2 GB 9 2 9 2 YAZE218 Heating Mode ...
Страница 77: ...14 1 SM YAZE218 1 A 2 GB 14 APPENDIX A 14 APPENDIX A INSTALLATION AND OPERATION MANUAL ...
Страница 78: ...SERVICE MANUAL YAZE218 ...
