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4.3 Troubleshooting Guide
4.3 Troubleshooting Guide
Fault
Heating system does not
activate
Burner activation does not occur
or burner fires irregularly
Burner does not activate; red
indication lamp is illuminated on
burner, burner fault is indicated
on display
Cold heating circuits
"DHW ON
" appears in
display
Boiler is operative, heating
circuits are cold
"FAULT" is indicated in display
24
Cause
On/off switch "
" of the
Dekamatik-M1 has been set to
"O"
Main power is deactivated.
Fuse in distribution circuit is
blown and deactivation has
consequently occurred
Dekamatik-M1 has been
improperly programmed
Failure of motor-controlled flue
gas damper (only on gas boil-
ers with atmospheric burner)
Defective accessories
Defective Dekamatik-M1
No fuel
DHW heating occurs as a
priority over space heating
Heating circuit switches are set
to shut-down mode "
"
Corrective action
Switch on/off switch to "
"
Activate power supply to Dekamatik-M1 and burner
Advise heating contractor
Ensure programming and program selection switch on Comfortrol
control unit has been properly set. Make corrections accordingly.
Advise heating contractor
Test accessories and replace as necessary
By using the override switch "
company, the boiler can be operated with an elevated boiler
water temperature (see page 21 "Override Switch")
With oil: ensure adequate oil supply and reorder if necessary
With gas: open gas valve or contact your local gas utility
(if applicable)
Attempt to restart by pressing reset button on burner. If this attempt
is also unsuccessful, contact heating contractor.
Wait until DHW heating is complete
Set heating circuit switches to automatic mode "
See page 23
" and consulting your service
"
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