31455-10-1115
Page 59
1
If the DFC giving signal lock out:
The board should be unlocked to
reinitiate a pilot flame ignition (for
the correct unlock sequence refer
to the DFC Use and Installation
Instructions).
Is the DFC board in
lock out?
1.
V
erify the electrical connections’ integrity and
make sure they are in accordance with the relevant
system wiring diagram. If necessary replace the
wire harness.
2.
Replace the DFC board.
Was observed spark
at the Pilot Hood
before the DFC
board locked out?
1.
Check the spark electrode positioning - adjust
as necessary.
2.
Replace the pilot assembly.
3.
V
erify the electrical connections’ integrity and
make sure they are in accordance with the
relevant system wiring diagram. If necessary
replace the wire harness.
4.
Replace the DFC board.
1.
V
erify the electrical connections’ integrity and
make sure they are in accordance with the
relevant system wiring diagram. If necessary
replace the wire harness.
2.
If pilot flow adjuster screw is not sealed:
Check if pilot flow adjust screw is set correctly in
accordance with the appliance manufacturer
instructions. If necessary correct it.
3.
Replace pilot tube or complete pilot
assembly.
4.
Replace the pilot orifice with a new orifice of
correct size, and type, or replace the pilot
assembly. Under all circumstances follow the
appliance manufacturer’s service instructions.
5.
Remove the provided wiring harnesses from
Ev1 of gas valve (red base), and verify voltage at
ignition between the Ev1 terminal and the ground
connection on teh valve body. If the voltage is
greater than 0 then Replace
V
alve. Otherwise
Replace DFC.
Spark continues
while the pilot is ON.
2
1.
Replace the pilot assembly.
2.
Replace the DFC board.
NO
NO
YES
NO
YES
YES
YES
NO
INTERMITTENT PILOT CONTROL SYSTEM TROUBLESHOOTING
Summary of Contents for DVP42FP30N-4
Page 20: ...31455 10 1115 Page 20 Figure 29 Figure 30 Figure 31 EXAMPLES TOP VENT RUN...
Page 41: ...31455 10 1115 Page 41 3ODFH RJ RQWR WZR SLQV RQ UHDU ORJ VXSSRUW DV VKRZQ EHORZ...
Page 42: ...31455 10 1115 Page 42 3ODFH RJ RQWR WZR OHIW IURQW SLQV RQ EXUQHU SDQ DV VKRZQ EHORZ...
Page 43: ...31455 10 1115 Page 43 3ODFH RJ RQWR WZR ULJKW IURQW SLQV RQ EXUQHU SDQ DV VKRZQ EHORZ...
Page 44: ...31455 10 1115 Page 44 3ODFH RJ RQWR RQH SLQ RQ RJ DQG RQH RQ RJ DV VKRZQ EHORZ...
Page 45: ...31455 10 1115 Page 45 5 Log assembly is completed...
Page 48: ...31455 10 1115 Page 48 Figure 75 MILLIVOLT SYSTEM STANDING PILOT WIRING DIAGRAM...
Page 60: ...31455 10 1115 Page 60 INTERMITTENT PILOT CONTROL SYSTEM TROUBLESHOOTING...