Troubleshooting - Empire Heating Systems ULTRASAVER 90 PLUS PVS18N-3 Guide D'utilisation Et Instructions D'installation

OPERATION
Power on sequence
Standby
Operation Safety Check
Heat Request
Run
FAULT
DESCRIPTION
Anomaly such as parasitic
flame, APT failure,
or APS failure
Ignition lock-out
High water level fault
Transducer fault
Pressure switch fault
Overheat lock-out
Inadequate
Combustion Airflow
Room temp too high
Room temp sensor failure
To reset the wall furnace, press the mode selection button on the display panel and hold for one second. Repeat until the wall furnace
cycles through the "OFF" setting once. If the error is no longer present, the wall furnace will operate normally. If the error is still present,
consult a qualified service technician.
37873-0-0217

TROUBLESHOOTING

TROUBLESHOOTING LCD CODES - NORMAL OPERATION
LCD DIGITS
Blank
" - -"
Desired flame level is shown
Desired flame level is shown
Desired flame level is shown
TROUBLESHOOTING LCD FAULT CODES ON THE DISPLAY PANEL
LCD
Digits
Desired
flame level
is shown Green and red LED blink slowly and simultaneously
"A1"
Green LED performs one blink followed by a one second pause
"A2"
Green LED performs two blinks followed by a one second pause
"A3"
Green LED performs two blinks followed by a one second pause
"A4"
Green LED performs 4 blinks followed by a one second pause
"A5"
Green LED performs 5 blinks followed by a one second pause
"A7"
Green LED performs 7 blinks followed by a one second pause
"A8"
Green LED performs 8 blinks followed by a one second pause
"A9"
Green LED performs 9 blinks followed by a one second pause
Green and red LED blink four times alternately
Green LED blinking slowly and continuously
Green and red LED's blink rapidly and alternately
Description
Yellow LED permanently OFF
Yellow LED permanently OFF
Red LED permanently ON
Yellow LED permanently OFF
Red LED permanently ON
Yellow LED permanently OFF
Red LED permanently ON
Yellow LED permanently OFF
Red LED permanently ON
Yellow LED permanently OFF
Red LED permanently ON
Yellow LED permanently OFF
Red LED permanently ON
Yellow LED permanently OFF
Red LED permanently ON
Yellow LED permanently OFF
Red LED permanently ON
CONTROL BOARD LED SEQUENCE
Yellow LED permanently OFF
Yellow LED permanently OFF
Red LED permanently OFF
Yellow LED on at pressure threshold check
Yellow LED permanently OFF
Red LED permanently OFF
Green LED blinking fast and continuously
Red LED permanently OFF
Green LED permanently ON
Turn off main electrical power to
the wall furnace for 30 seconds then
Check gas presence.
Check flame detection probe.
Check ignition probe.
Check that the drain tube is not clogged
If equipped with the optional pump ac-
cessory kit, check pump functionality.
If equipped with the optional Humidi-
fication Tray accessory kit, check that
the tray is level and functioning.
Check Air pressure sensor connection.
Check fan functionality.
Check for flue blockage.
Check transducer and pressure switch
Check pressure switch device.
Check inducer functionality.
Check for flue blockage.
Check circulating air blower
Check circulating air blower filter.
Check for flue restriction.
Check thermostat functionality.
Check temperature sensor
ACTION
retry ignition.
or crimped.
connections
functionality.
connection.
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