Dettson Chinook C45-1-X Serie Instructions D'installation Et Manuel Du Propriétaire page 38

Table 28 – Error Codes 2 Stage PSC furnace
Green Amber Red
LED LED LED
FLash Flash Flash
1
2
3
4
5
6
7
8
9
10
11
12
Solid
ON
Rapid
3
double
1
2
3
4
Rapide
1
2
Rapid
Solid
On
Erreur/Conditions
Furnace doesn't operate. Control
board LED's are off.
Flame sense when no flame should
be present.
Pressure switch stuck closed
First stage pressure switch stuck
open
High limit and/or rollout switch open
Open fuse or roll out switch
Pressure switch lockout, pressure
switch has opened 5 times in a
heating cycle.
Lockout after multiple failed ignition.
Lockout after multiple flame lost.
Improper grounding or polarity
Gas valve current detected with no
call for heat.
Open limit switch
Ignitor relay on control board is not
functionning.
Internal control board error
Twinning error (Twinning is
recommanded)
Second stage pressure switch stuck
open.
Call on W2 without call on W1
Call on Y or Ylo without call on G
Low flame sense
37
Comments/Troubleshooting
Door switch is defective or open. There is no
120V to the board.
Verify the gas valve is operating and shutting
down properly. Flame in the burner assembly
should extinguish promptly at the end of the
cycle.
Faulty pressure switch, pressure switches
wires shorted, control board inducer relay
stuck closed
Faulty pressure switch or tubing or wiring,
control board inducer relay failed, restriction
at the vent, blocked vent
Verify temperature rise and airflow, duct static
pressure, burners alignment, wiring to both
switch (high limit and rollout).
Check fuse and replace. Check roll out switch
Check for venting restriction, verify pressure
switch tubing for leaks.
Check gas pressure and gas valve. Make
sure flame rod is clean and properly wired.
Check ignitor and its connection.
Check gas pressure and gas valve. Make
sure flame rod is clean and properly wired.
120V hot and neutral reversed. 120V should
be read between Hot and ground. 0V should
be read between Neutral and ground.
Verify if any electrical short could send
voltage/current to the gas valve.
replace control board.
Reset the unit and
functionning at proper speed.
temperature rise and airflow, duct static
pressure, burners alignment, wiring to both
switch (high limit and rollout).
Replace control board.
Reset control. Replace control board if error
code is still present.
not Don't twin your furnaces.
Check for faulty pressure switch, tubing or
wiring. Check for restriction at the vent. Make
sure inducer blower is functionning properly.
Normal operation with call for first stage
heating.
Normal operation with call for second stage
heating.
Verify thermostat and wiring.
Verify thermostat and wiring.
Clean flame rod with steel wool. Check gas
outlet pressure.
Normal operation with call for 1st stage
cooling.
Normal operation with call for 2nd cooling or
Single stage cooling.
Normal operation with call for fan on.
Normal operation, standby mode
If not,
verify blower is
Verify