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Solutions
Begin the troubleshooting process by referring to the error messages on the LCD
Display and/or the Status LEDs on the Control Board. Use pages 36-40 to identify
the Troubleshooting Reference # (TS Ref#) then reference the table below.
TS Ref# CHECK
Check that the high voltage power supplied to "EMI Board" is within range.
1
100V-120V or 200V-240V.
2
Remove and check EMI Fuse for continuity.
Check that the "Voltage Selector", on the EMI Board, is set according to the high
3
voltage power supply. 115VAC or 230VAC.
4
Check the main power breaker and "AC POWER" switch (if applicable) are on.
5
Check that the Power Harness is connected to the Control Board.
6
Check that the operator model displayed on the LCD Display is correct.
7
Check Motor Fuse on the Control Board.
8
Check for an open circuit to the motor.
Check the Status LEDs and LCD Display to determine if the Control Board is
9
receiving an input from any external devices or if the "ODS" has been triggered.
Remove the external devices from the Control Board to determine if the Control
10
Board is responding to an input or problem with the external device or wiring.
11
Check the "ODS" setting on the Control Board.
Check that the gate can be moved manually with low resistance throughout its
12
full length of travel. Check gate track rollers, chain and hinges as applicable.
13
Check the limit position.
14
Not applicable to this model.
15
Check the EMI Cable and contacts between the EMI Board and the VFlex Board. pg 11, 18
16
Check the LCD Display for Error Messages.
17
Not applicable to this model.
18
Check 4 Amp fuse on the Control Board.
19
Check for 24VAC out from the Toroidal Transformer and Power Harness.
20
Check the required entrapment protection sensors.
21
Check that the Motor Harness and Connector is connected to the Control Board. pg 11, 20
22
Check the Limit Switches and Wires. Both limit circuits are to be N.C.
23
Not applicable to this model.
?
Call Viking Technical Support for further assistance.
VIKING TECHNICAL SUPPORT 1.800.908.0884
TROUBLESHOOTING
Page Ref#
pg 18-19
pg 18-19
pg 18-19
pg 18-19
pg 11, 18-19
pg 20, 21
pg 11
pg 24, 26 36-38
pg 28-32, 35,
36-37
pg 4, 24, 26
pg 4, 7
pg 11, 16
pg 40
pg 11
pg 11, 18
pg 3, 6-7, 22
pg 16, 20-21
4 1
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