VLT HVAC Drive FC 102
Operating Guide
Status
0.0Hz
0.0Hz
Earth Fault [A14]
Auto Remote Trip
Illustration 31: Alarm Example
In addition to the text and alarm code in the LCP there are 3 status indicator lights.
On
Warn.
Alarm
Illustration 32: Status Indicator Lights
Warning indicator light
Warning
On
Alarm
Off
Trip lock
On
7.6 List of Warnings and Alarms
The following warning and alarm information defines each warning or alarm condition, provides the probable cause for the condi-
tion, and entails a remedy or troubleshooting procedure.
7.6.1 WARNING 1, 10 Volts Low
Cause
The control card voltage is less than 10 V from terminal 50. Remove some of the load from terminal 50, as the 10 V supply is overloa-
ded. Maximum 15 mA or minimum 590 Ω.
A short circuit in a connected potentiometer or incorrect wiring of the potentiometer can cause this condition.
Troubleshooting
Remove the wiring from terminal 50.
•
If the warning clears, the problem is with the wiring.
•
If the warning does not clear, replace the control card.
Danfoss A/S © 2023.09
1(1)
0.000kW
0
OK
0.00A
Alarm indicator light
Off
On (flashing)
On (flashing)
Diagnostics and Troubleshooting
AQ267037536117en-000101 / 130R0083 | 67
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