Table of Contents
Advertisement
VACON® 1000
Operating Guide
10.3.43 Fault Code 43 - Air Filter Clogged
Cause
Comparison with the set value of the internal cabinet air pressure: P
filter.
System default operation: Alarm
Troubleshooting
•
Check if the air filter is clogged.
•
Check if the air pressure sensor works normally.
10.3.44 Fault Code 44 - Cooling Fan Abnormal
Cause
Cooling fan motor winding overheating. To indicate this fault, the normally closed contact is opened.
System default operation: Alarm. System operation is configurable.
Troubleshooting
•
Check if the fan rotates in reverse direction.
•
Check if the fan is blocked.
10.3.45 Fault Code 45 - Fan Internal Power Loss
Cause
When the power of the cooling fan has a failure, the normally closed contact of the fan breaker is opened.
System default operation: Alarm. System operation is configurable.
Troubleshooting
•
Check the fan breaker.
•
Check whether the power supply circuit is normal.
10.3.46 Fault Code 46 - Fan External Power Loss
Cause
When there is a phase loss or undervoltage of the external fan power, this alarm is triggered.
System default operation: Alarm. System operation is configurable.
Troubleshooting
•
Check the wiring and voltage of the external fan power.
10.3.47 Fault Code 47 - Cooling Fan Failure
Cause
The fan breaker is tripped or fan interior thermal relay is opened.
System default operation: Alarm
Troubleshooting
•
Check the fan breaker.
•
Check if the thermal relay is opened.
•
Check if the fan is blocked.
10.3.48 Fault Code 48 - Transformer Overtemperature Alarm
Cause
The failure information is reported when the temperature of the transformer exceeds 95°C.
System default operation: Alarm
Troubleshooting
•
Check if the ambient temperature is too high.
•
Check that the cooling fans on top of the transformer are working normally.
•
Check if the air filter is clogged.
•
Check if the drive is in overload operation for a long time.
•
Check if the temperature sensor is in good condition.
102 | Danfoss A/S © 2021.06
< P
-25 pa. The reason can be the clogging of the air
under
set
Fault Tracing
AQ363633621020en-000201 / 172F3117
Advertisement
Table of Contents
