Cornelius pbd175 - Troubleshooting - Power Supply; No Power to Display Diagnosis

PBD175 (Spire 3.0) Service Manual
Publication Number: 620062609SER - 56 - © 2015-2016, Cornelius Inc.
TROUBLESHOOTING POWER SUPPLY PROBLEMS
No Power to Display
No Power
12 & 30 VDC Fuses Open
Yes
No
Replace Relay
E-Box has no
30 and/or 12 VDC
Verify 120 VAC
Replace Fuse(s)
Yes
Check Cable
Verify 12 VDC
Power Supply
Connect or Replace
No
Yes
Cable
Connection
No
Output to
Relay
Yes
at Service Outlet
Yes
No
Reset Circuit
Breaker
Check AC Power Cord
No
Replace Power Cord
to Display