Thermocet Trimline 2050 OH, Operating And Installation Instructions

Page: 18 / 40

Page 18
No ACTION Possible problem/cause Solution
3. NO Ignition components not operating properly.
Check connection between cable & IGN
electrode.
Check IGN electrode spark gap.
Check IGN electrode for discharge to ground
(break in ceramic).
Check IGN cable for damage
Increase distance between IGN cable and all
metal parts. Check that spark does not
discharge to ground at location of spark plug
connection. Shorten cable if possible. If
applicable, provide extra insulation with silicon
hose etc.
Spark will occur each
second.
NO IGN sequence stops, no pilot flame.
No reaction to transmitter command (receiver
does not react).
Press RESET button, see instructions.
Add ground wire between pilot burner and gas
valve.
Do not coil the IGN cable.
Shorten IGN cable if possible.
NO IGN sequence stops, no pilot flame.
Transmitter command is possible.
IGN sequence stops, no pilot flame.
Transmitter command is possible.
OK
4. Pilot lit. NO TC and SW cable reversed. Check connection of cable to receiver and
interrupter, see fig. 1.
Impulse magnet not operating properly.
Replace gas valve.
Short between interrupter and SW cable. Check connection to interrupter.
OK No gas (magnet unit drops after 30 second
audible count).
Check gas supply to gas valve.
5.
Sparking stops after pilot
is lit
NO Short between interrupter and TC cable.
Check connection to interrupter, see fig. 1
OK Electronic measuring amplifier defective. Replace receiver.
Interrupter
Receiver