13
PBU-150-11
09/22
CLEARING AN OVERLOAD WARNING MESSAGES
1. When the PBU is overloaded and automatically shut down, the warning message will be kept
after the system restarted. Turn off
output power switch to clear the warning messages.
2. Overloading capacity: 110% within 30 sec. or 200% within 5 sec.
3. Reduce loading and restart the PBU.
CLEARING THE ERROR MESSAGES
1. Turn off
output power switch to clear the error messages after troubleshooting.
2. Shut down the PBU.
MAINTENANCE INSTRUCTIONS
WARNING
Disconnect power supply to the device before servicing.
Check the following items at the intervals listed:
CHECK LIST
DESCRIPTION
EVERY 6 MONTHS
Fasteners
Check & tighten as required
●
Battery
Check battery voltage must higher than 31VDC
●
Inspect and service whenever a malfunction of the device or equipment connected to it is
observed or suspected.
Before servicing, always disconnect power supply to the device.
Replace fuses only with those of the same type and rating.
All replacement parts must be compatible with those originally provided. Consult
manufacturer for replacement parts.
Battery changes every 2 years or fail to charge whichever comes first. The change procedure
describe in battery specification and connection.
WARNING
Do not place hands or tools in the device when the power is connected or when testing the
device or equipment connected to it. Always disconnect power before servicing or
adjusting the device or other equipment connected to it.
