![background image](http://html.mh-extra.com/html/vlt/fc-300/fc-300_instruction-manual_1042928073.webp)
9 Basic Troubleshooting
9.1 Start Up and Operation
NOTE!
See
Alarm Log
in
Symptom
Possible Cause
Test
Solution
Display dark/No function
Missing input power
See
.
Check the input power source.
Missing or open fuses or circuit
breaker tripped
See open fuses and tripped circuit
breaker in this table for possible
causes.
Follow the recommendations
provided.
No power to the LCP
Check the LCP cable for proper
connection or damage.
Replace the faulty LCP or
connection cable.
Shortcut on control voltage
(terminal 12 or 50) or at control
terminals
Check the 24 V control voltage
supply for terminal 12/13 to 20–39
or 10 V supply for terminal 50 to
55.
Wire the terminals properly.
Wrong LCP (LCP from VLT
®
2800
or 5000/6000/8000/ FCD or FCM)
Use only LCP 101 (P/N 130B1124)
or LCP 102 (P/N. 130B1107).
Wrong contrast setting
Press [Status] +
▲
/
▼
to adjust the
contrast.
Display (LCP) is defective
Test using a different LCP.
Replace the faulty LCP or
connection cable.
Internal voltage supply fault or
SMPS is defective
Contact supplier.
Intermittent display
Overloaded power supply (SMPS)
due to improper control wiring or
a fault within the adjustable
frequency drive.
To rule out a problem in the
control wiring, disconnect all
control wiring by removing the
terminal blocks.
If the display stays lit, then the
problem is in the control wiring.
Check the wiring for shorts or
incorrect connections. If the display
continues to cut out, follow the
procedure for display dark.
Basic Troubleshooting
VLT
®
AutomationDrive Instruction
Manual
MG33AM22 - VLT
®
is a registered Danfoss trademark
9-1
9
9
Содержание FC 300
Страница 1: ...MAKING MODERN LIVING POSSIBLE Instruction Manual VLT AutomationDrive FC 300 0 25 75 kW ...
Страница 2: ......
Страница 8: ...Contents VLT AutomationDrive Instruction Manual MG33AM22 VLT is a registered Danfoss trademark ...
Страница 14: ...Introduction VLT AutomationDrive Instruction Manual 1 6 MG33AM22 VLT is a registered Danfoss trademark 1 1 ...
Страница 62: ...Status Messages VLT AutomationDrive Instruction Manual 7 4 MG33AM22 VLT is a registered Danfoss trademark 7 7 ...
Страница 109: ...Index VLT AutomationDrive Instruction Manual MG33AM22 VLT is a registered Danfoss trademark 12 5 ...
Страница 110: ...www danfoss com drives MG33AM22 130R0300 MG33AM22 Rev 2013 03 12 ...