Viking CLASS I Installation Instructions Manual page 42

TROUBLESHOOTING
LCD Display References
Meaning
LCD MSG
Error Messages
ERR AC
Indicates that the 24VAC supply to the VFlex Board is too low from the
115/230 power supply.
LOW
ERR AC
Indicates that the 24VAC supply to the VFlex Board is too high from the
115/230 power supply.
HIGH
ERR AC
Indicates that there is no 24VAC supply detected to the VFlex Board from
the 115/230 power supply.
NO AC
ERR CHRG
Potential problem with the charging voltage from the control board.
HIGH
ERR CHRG
a) 4 Amp Fuse is blown, or;
b) There is a problem with the batteries or the control board.
CHECK 4A
ERR BAT
The battery is low
LOW
The EPS (Electronic Positioning Sensor) has one of the following
ERR EPS2
conditions: a) The EPS is not properly adjusted b) The EPS has a potential
WRONG
connection problem c) The EPS has the wrong cable harness
ERR EPS2
Missing or damaged EPS2 cable harness
MISSING
ERR ___
Indicates that the open
and need to be set.
LIMIT
ERR FUSE
15 Amp motor fuse is blown
15 AMP
ERR EMI
No EMI board detected
NO EMI
ERR EMI
4 Amp main fuse is blown on Power Supply Panel Assembly
NO FUSE
ERR EMI
There is no AC voltage detected from the EMI Board
NO AC
ERR EMI
There is a problem with the communication between the EMI Board and the
VFlex Board.
Unknown
ERR EMI
Lightning strike protection for the EMI Board (behind the Power Supply
Panel Assembly) needs to be replaced
PROTECT
4 0
"OPN" "CLS"
, close or both
"NO"
limits are cleared
VIKING TECHNICAL SUPPORT 1.800.908.0884
Page 41
TS Ref #s
1, 3, 20
1, 3, 20
1, 2, 4,
20
1, ?
18, ?
1, 2, 3,
4
?
14, 17
6
7, 11, 12
15
2
20
21
?