23
Diagnostic Codes
CODE
RESPONSE
ERROR CAUSE
ERROR RESOLUTION
1 Flash
Module flashes error
code and goes into lock-
out mode�
1� Fuel-type selector in
incorrect position�
2� Fuel-type selector
switch damaged�
1� Verify that the selec-
tor stops at the correct
position when rotated
gently with a precision
screwdriver
2 Flash
Module flashes error
code and goes into lock-
out mode�
Insufficient voltage from
ignition coil to pilot flame
ignitor�
Clear Lock-Out and attempt
ignition� If condition persists,
replace module�
3 Flash
Pilot sparks and may ig-
nite for up to 60 seconds
but main will not open�
If condition occurs for
≥ 60 seconds, module
flashes error code, shuts
down pilot, and goes into
lockout mode�
1� Inadequate gas supply
2� False flame detected
3� Short in sense lead
4� Sense and/or igniter
lead disconnected
1� Verify proper inlet pres-
sure to the gas line�
2� Verify that pilot leads are
correctly terminated to
the control module and
that no shorted wires
exist
3� Verify that the pilot
sense rod, igniter rod,
and hood are clean�
Table 3: Control Module - Diagnostic Code Troubleshooting
LED Signal
Item
Continue time
Checking Criteria
Red LED Flash 1
time
LPG/NAT Switch Failure
1 Sec
LPG/NAT switch adjusted during com-
bustion�
Red LED Flash 2
time
Sparking Error
1 Sec
Sparking signal feedback prior to igni-
tion�
>60 Sec
No sparking signal return exceed 60
sec�
Red LED Flash 3
time
Igniting Error
5 Sec
Flame signal sensed prior to ignition
Red LED Flash 4
time
Trial for Ignition
>60 Sec
Trial for ignition > 60 sec�
Red LED Flash 6
time
Pilot Valve Error
5 Sec
1� Pilot valve wrong voltage prior to
ignition�
2� Pilot valve wrong voltage during
combustion�
Red LED Flash 7
time
- Main Valve Error
- Hi Limit Sensor
Tripped (if equipped)
5 Sec
1� Main valve wrong voltage prior to
ignition�
2� Main valve wrong voltage during
combustion�
Table 4: Control Module - Diagnostic Codes Detailed
Содержание DEXEN 8K1N
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