VIKING TECHNICAL SUPPORT 1.800.908.0884
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TROUBLESHOOTING
LCD Display References
LCD MSG
Meaning
Page 37
TS Ref #s
Error Messages
ERR AC
LOW
Indicates that the 24VAC supply to the VFlex Board is too low from the
115/230 power supply.
1, 3, 20
ERR AC
HIGH
Indicates that the 24VAC supply to the VFlex Board is too high from the
115/230 power supply.
1, 3, 20
ERR AC
NO AC
Indicates that there is no 24VAC supply detected to the VFlex Board from
the 115/230 power supply.
1, 2, 4,
20
ERR CHRG
HIGH
Potential problem with the charging voltage from the control board.
1, ?
ERR CHRG
CHECK 4A
a) 4 Amp Fuse is blown, or;
b) There is a problem with the batteries or the control board.
18, ?
ERR BAT
LOW
The battery is low.
1, 2, 3,
4
ERR FUSE
15 AMP
15 Amp motor fuse is blown on the Master or Single Control Board.
7, 11, 12
ERR EMI
NO EMI
No EMI board detected.
15
ERR EMI
NO FUSE
4 Amp main fuse is blown on Power Supply Panel Assembly.
2
ERR EMI
NO AC
There is no AC voltage detected from the EMI Board.
20
ERR EMI
Unknown
There is a problem with the communication between the EMI Board and the
VFlex Board.
21
ERR EMI
PROTECT
Lightning strike protection for the EMI Board (behind the Power Supply
Panel Assembly) needs to be replaced.
?
ERR UL
SENSOR
There is a problem with the required monitored sensor(s) connected
to the “UL” input terminal (pg 10-11).
22
