Do System Tests to Identify Defective Components
Powermax65/85/105 SYNC Troubleshooting Guide 810430 11 3
Figure 29 – Solenoid valve pins on the power PCB
6. Measure the voltage between pin 1 and pin 7 at J4 or J6 on the power PCB. Refer to Figure 29.
Is the voltage approximately 48 VDC?
If yes, replace the solenoid valve.
If no, continue with Do a test of the solenoid valve after disconnecting from the power PCB
on page 114.
R
RED
J32
RED
J21
ORG
J20
J12
B
R
WORK
LEAD
BLK
BLK
J13
J16J17J18J19
J26
J29
TP12
J28
TP10
TP11
W
R
B
J4 J2 J1J3
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