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4.3 Troubleshooting Guide
4.3 Troubleshooting Guide
Fault
Cause
Corrective action
Heating system does not
activate
On/off switch “
” of the
Dekamatik-M1 has been set to
“O”
Switch on/off switch to “
”
Main power is deactivated.
Activate power supply to Dekamatik-M1 and burner
Fuse in distribution circuit is
blown and deactivation has
consequently occurred
Advise heating contractor
Burner activation does not occur
or burner fires irregularly
Dekamatik-M1 has been
improperly programmed
Ensure programming and program selection switch on Comfortrol
control unit has been properly set. Make corrections accordingly.
Failure of motor-controlled flue
gas damper (only on gas boil-
ers with atmospheric burner)
Advise heating contractor
Defective accessories
Test accessories and replace as necessary
Defective Dekamatik-M1
By using the override switch “
” and consulting your service
company, the boiler can be operated with an elevated boiler
water temperature (see page 21 “Override Switch”)
No fuel
With oil: ensure adequate oil supply and reorder if necessary
With gas: open gas valve or contact your local gas utility
(if applicable)
Burner does not activate; red
indication lamp is illuminated on
burner, burner fault is indicated
on display
Attempt to restart by pressing reset button on burner. If this attempt
is also unsuccessful, contact heating contractor.
Cold heating circuits
“DHW ON
” appears in
display
DHW heating occurs as a
priority over space heating
Wait until DHW heating is complete
Boiler is operative, heating
circuits are cold
Heating circuit switches are set
to shut-down mode “
”
Set heating circuit switches to automatic mode “
”
“FAULT” is indicated in display
See page 23
