Janfire NH - Page 31

Janfire NH Burner Service Installation Manual 4.16.09 - Technical specifications are subject to change without prior
notice.
31(38)
Limit. Run
Running with reduced power, poor chimney draft
ERROR MESSAGES
PROBLEM Warning that something’s wrong and burner taking corrective actions. Disappears when issue corrected.
ERROR An alarm message. Burner has stopped operation due to a detected error that burner can not
compensate for. Message remains visible on display after shut-down of burner.
!!! ERROR !!!
Burner Unmounted
The burner is equipped with a micro-switch circuit breaker, which prevents the burner from
operating when detached from the boiler.
Ash scraper runs
Ash scraper rests
Maximum time elapsed for ash scraper. Scrape cycle finished successfully on most recent
attempt. Red warning light returns to green.
!!! ERROR !!!
Ash scraper
Ash scraper did not successfully complete scrape cycle despite several attempts.
!!! Problem !!!
Starter sequence
Flame sensor did not activate in time, new start attempt. Warning is reset after successful
start.
!!! Problem !!!
Fan stopped
Tachometer can’t sense fan rotation. Any other activity will be stopped until fan runs
properly. Warning will be reset when fan starts again.
!!! ERROR !!!
Fan stopped
No rotation signal from fan despite several restart attempts.
!!!Problem !!!
Flame guard trip.
Burner Bowl temperature too cold (18
o
below setting). One restart attempt will be made.
Low chimney draft Temp. too high in pellet drop shaft, “service menu 49”. Burner power level reduced until
temp. decreases. Acknowledge warning by pressing “on/off” twice” (Stop and start).
!! Problem !!!
Service needed
Pellet consumption has exceeds service interval in “service menu 59”. Restart service
level.
!!! ERROR !!!
Not cooled down
Burner cup cooling did not succeed within 20 minutes.
!!! ERROR !!!
External feed
Internal burner hopper did not fill within time period.
!!! ERROR !!!
Overheated
Drop shaft temperature exceeds maximum level. / Sensor defective.
Ignition has not occurred or a faulty ignition coil.
Bad quality pellet.
Insufficient draft in the boiler can cause disturbance in augers due to tar (sticky). This will
make the dosage auger stop.
Strange objects in pellets or damp pellets cause dosage auger to stop.
!!! ERROR !!!
Starter sequence
The fan is not correctly adjusted.
!! ERROR !!
ELECTRONIC
FAULT
1.) Turn system OFF at main system switch. Turn back ON after 10 seconds. If error still
persists, go to the following steps.
2.) Check electrical connections to the internal and external augers.
3.) Check the connection to the heating coil
4.) Check fuse to the heating coil (Pg. 37 – Fast acting fuse)
5.) If error continues after the above steps: Replace the control box.
!! ERROR !!! Temp
Sensor
The control lamp red
1.) Turn system OFF at main system switch. Turn back ON after 10 seconds. If error still
persists, go to the following steps.
2.) Check burner bowl and drop shaft sensor wiring. If insulation damaged replace sensor.
!!! ERROR !!! Bad
Thermostat (Service
menu “80” = NO.)
1.) Check PT100 boiler sensor wiring connections. Measure resistive value of boiler sensor
and compare to Fig. 10, pg. 32.
2.) Replace boiler sensor to correct.
Low Voltage Burner circuitry detected a low supply voltage and burner shut down. Continued low
voltage status.