HTP PHR199-55C - Manual (Page 66)

66
LP- 325 REV. 3.21.14
F09
No flame detected – Appliance
will make three attempts at
ignition before the control goes
into this lockout condition. Will
reset in 1 hour.
1. Watch the igniter through the observation window provided.
2. If there is
no spark, check the spark electrode for the proper ¼” gap.
3. Remove any corrosion from the spark electrode and flame rectifier probe.
4. If there is a spark but no flame, check the gas supply to the appliance.
5. If there is a flame, check the flame sensor.
6. Check any flue blockage or condensate blocks.
F10
Loss of flame signal – The
appliance will relight 4 times
before the control goes into this
lockout condition. Will reset in 1
hour.
1. Monitor the gas pressure to the unit while in operation.
2. Assure that the flame is stable when lit.
3. Check to see if the green light on the display module is out while the appliance is running.
4. If the green light doesn’t come on or goes off during operation check the flame signal on the status
menu.
5. If the signal reads less than 1 microampere, clean the flame rectifier probe.
6. If the flame rectifier probe continues to read low, replace it.
F11F
False flame signal – The
appliance will lock out if it
senses a flame signal when
there should be none present.
1. Turn the gas off to the unit at the service valve.
2. If the flame signal is still present replace the igniter.
3. If the flame signal is not present after turning off the gas supply, check the gas valve electrical
connection.
4. If there is no power to the gas valve, remove the valve and check for obstruction in the valve seat or
replace the gas valve.
5. Turn the gas on at the service valve after corrective action is taken.
F13
Combustion fan speed incorrect
– The appliance will lock out if it
senses that the fan speed is
less than 70% of expected rate
for more than 60 seconds.
1. Check the combustion air fan wiring.
2. Replace the combustion air fan.
3. Replace the control board.
pp Parameters programmed Press {S4} reset for at least 1 second.
F31 Program parameter error Control must be re-programmed. If programming does not solve problem, control must be replaced.
Table 18 - NOTE: If you replace a part to remedy a fault, it is recommended that you cycle the unit at least three or four times
to assure the fault has been resolved.