PAGE 18 — DEF TANK REPLENISHMENT SYSTEM • OPERATION MANUAL — REV. #0 (09/11/20)
FAULT/ERROR CODES
CAUTION
DO NOT
use this equipment if an error message or
error code has been activated. Contact your nearest
MQ Power Service Center.
OFF
OFF
NORMAL OPERATION
OFF
95
Instruction book, IQAN-MC4x
)
w
o
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e
y
(
h
s
a
l
F
s
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a
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Normal operation
Application not loaded
No application available
Waiting for restart
Error
code
)
d
e
r
(
h
s
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F
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i
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Error category
Secondary Flash (yellow)
Error description
1:1
Output
1:2
Input
1:3
VREF
2:1
Power supply
2:2
Temperature
3:1
CAN, no contact
3:2
IDtag error
3:3
System mismatch
3:4
CAN error (bus off)
4:1
a
a. Followed by a longer sequence of flashes.
Stopped, critical
4:2
b
b. Followed by a longer sequence of flashes. Possible causes include reverse feed on startup,
critical under-voltage and critical temperature.
Stopped, critical
4:3
c
c. Followed by a longer sequence of flashes.
Stopped, critical
FAULT / ERROR CODES
If any of the following faults/errors are detected, an error
code will be displayed as a series of flashes on the sight
glass LED located on the control panel. The flashes are
represented by the LED flash timing sequence shown
below.
