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11.0 Troubleshooting
How to Read this Section
Troubleshooting Problems is split into three sub-sections, grouped by
symptoms involving key components. Components considered irrelevant
in a diagnosis are denoted 'Not Applicable' (N/A). A multimeter or
voltmeter may be required for some procedures listed.
It is imperative all electrical precautions stated in the
Warning Section and outlined in the Installation Section
are followed. Even if it appears the system is not
functioning, it should be treated as a fully functioning
system generating live power.
11.1 Problems with the Display
Display Reading: Blank
Time of Day: Daytime/Nighttime
Possible Causes:
Battery or fuse connection and/or solar array connection
(Daytime only) or battery or fuse connection (Nighttime only).
How to tell:
1. Check the voltage at the controller battery terminals with a
voltmeter and compare with a voltage reading at the battery
terminals.
2. If there is no voltage reading at the controller battery terminals,
the problem is in the wiring between the battery and the
controller. If the battery voltage is lower than 6 volts, the
controller will not function.
3. For the solar array, repeat steps 1 and 2 substituting all battery
terminals with solar array terminals.
Remedy:
Check all connections from the controller to the battery including
checking for correct wire polarity. Check that all connections are clean,
tight, and secure. Ensure the battery voltage is above 6 volts.
GP-PWM-30-SB
21
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