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M3545P
O
5.3.4.
▪
▪
▪
IGBT D
5.3.5.
If the fault cannot be cleared, or occurs frequently, the unit may be damaged.
Contact Bonitron for assistance.
P
5.3.6.
If this fault does not reset, it typically means the AC line fuses or disconnects
have cleared. Power down the system and check all fuses and overcurrent
disconnects. Make sure that voltage is present at the terminals appropriate
for the ratings of your unit.
F
5.3.7.
Ensure that appropriate precharge is present in either the load VFD or in the
M3545P (-R option). If precharge is present and fuses continue to fail, contact
Bonitron for assistance.
T
5.4.
ECHNICAL
If technical help is required, please have the following information available when
contacting Bonitron (615-244-2825 email: info@bonitron.com):
• Model number of unit
• Serial number of unit
• Name of original equipment supplier if available
• Record the line to line voltage on all 3 phases
• Record the DC bus voltage immediately after the AC voltage
• Brief description of the application
• Drive and motor HP or kW
• KVA rating of power source
• Source configuration Wye/Delta and grounding
26
VERTEMPERATURE
Ensure there is adequate clearance and airflow around the installation
location.
Check the ambient temperature. If it is above 40C, the unit may not be
able to properly cool at full load.
Make sure the fan is actually operating.
o The fan should be running when the unit is Active (yellow LED lit).
o Check for any obstructions and cycle power to the unit. The fan
should run for three (3) seconds during start-up.
F
ESAT
AULT
L
F
HASE
OSS
AULT
USES FAIL ON POWER ON
– B
H
ELP
EFORE YOU CONTACT US
F
AULT
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