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31792-4-1115
Page 41
TROUBLESHOOTING
TROUBLESHOOTING LCD CODES - NORMAL OPERATION
OPERATION
LCD DIGITS
CONTROL BOARD LED SEQUENCE
Power on sequence
Blank
Yellow LED permanently OFF
Green and red LED blink four times alternately
Standby
“ - -”
Yellow LED permanently OFF
Red LED permanently OFF
Green LED blinking slowly and continuously
Operation Safety Check
Desired flame level is shown
Yellow LED on at pressure threshold check
Green and red LED’s blink rapidly and alternately
Heat Request
Desired flame level is shown
Yellow LED permanently OFF
Red LED permanently OFF
Green LED blinking fast and continuously
Run
Desired flame level is shown
Red LED permanently OFF
Green LED permanently ON
TROUBLESHOOTING LCD FAULT CODES ON THE DISPLAY PANEL
FAULT
DESCRIPTION
LCD Digits
Description
ACTION
Anomaly as parasitic
flame, APT failure or
APS failure
Desired flame
level is shown
Yellow LED permanently OFF
Turn off main electrical power to the
fireplace for 30 minutes then rety
ignition.
Green and red LED blink slowly and simultaneously
Ignition lock-out
“A1”
Yellow LED permanently OFF
Check gas presence
Check flame detection probe Check
ignition probe
Red LED permanently ON
Green LED performs one blink followed by a one second pause
High water level fault
“A2”
Yellow LED permanently OFF
Check pump functionality
Red LED permanently ON
Green LED performs two blinks followed by a one second pause
Transducer fault
“A3”
Yellow LED permanently OFF
Check Air pressure sensor connec
-
tion. Check fan functionality. Check
for flue blockage
Red LED permanently ON
Green LED performs two blinks followed by a one second pause
Pressure switch fault
“A4”
Yellow LED permanently OFF
Check APS device. Check fan func
-
tionality. Check for flue blockage
Red LED permanently ON
Green LED performs 4 blinks followed by a one second pause
Overheat lock-out
“A5”
Yellow LED permanently OFF
Check room fan functionality
Red LED permanently ON
Green LED performs 5 blinks followed by a one second pause
Thermister failure
“A6”
Yellow LED permanently OFF
Check firebox probe connection
Red LED permanently ON
Green LED performs 6 blinks followed by a one second pause
Inadequate
Combustion Airflow
“A7”
Yellow LED permanently OFF
Check for flue restriction
Red LED permanently ON
Green LED performs 7 blinks followed by a three second pause
Thermister temp too
high
“A0”
Yellow LED permanently OFF
Check room fan functionality
Red LED permanently ON
Green LED performs one blink followed by a three second pause
Содержание Mantis FG28BM-1
Страница 45: ...31792 4 1115 Page 45 Figure 67 Figure 68 Figure 69 Figure 70...
Страница 50: ...31792 4 1115 Page 50 APPLIANCE SERVICE HISTORY Date Dealer Name Service Technician Name Service Performed Notes...
Страница 51: ...31792 4 1115 Page 51 APPLIANCE SERVICE HISTORY Date Dealer Name Service Technician Name Service Performed Notes...