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Do System Tests to Identify Defective Components
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810430
Troubleshooting Guide
Powermax65/85/105 SYNC
Do a test of the solenoid valve after disconnecting from the power PCB
1.
Disconnect the solenoid valve from J4 or J6 on the power PCB.
2.
Measure the voltage again between pin 1 and pin 7 at J4 or J6 on the power PCB. Is the voltage
approximately 48 VDC?
If yes, continue with the next step.
If no, replace the power PCB.
3.
Do a resistance check to make sure that the solenoid valve is defective. Measure the resistance
between pin 7 and pin 8 on the solenoid valve connector. Refer to
. If the resistance is
less than 44 ohms (Ω), approximately, replace the solenoid valve.
Figure 30
– Pins on the solenoid valve connector
8
7
Summary of Contents for Powermax105
Page 1: ...Powermax65 85 105 SYNC Troubleshooting Guide 810430 REVISION 0 ENGLISH ...
Page 12: ...Before You Begin 1 12 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...
Page 174: ...System Diagrams 8 174 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...
Page 180: ...System Diagrams 8 180 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...