Initial Gas Checks; Electricity And Gas To Heater, But Still Inoperative - Calcana CAL Series Installation, Operation, Service, And Parts Manual

CAL-SERIES

INITIAL GAS CHECKS

a) Make sure manual valve is turned on.
b) Make sure gas valve knob is turned on.
c) Check for gas supply and proper pressure to valve.
d) Check wires and make sure that they and their connections are in g ood condition.
e) Check for power to valve.
f) If no power, check control board. (see page 69)

ELECTRICITY AND GAS TO HEATER, BUT STILL INOPERATIVE

If after confirming that adequate gas and electricity are present and unit still does not operate, review
the symptoms below. After the symptom has been identified, refer to the corresponding cause/cure,
Review CHECK CONTROL BOARD section, and finalize troubleshooting procedure.
Symptom
1. Dead
2. Thermostat on - No Blower Output
3. Pressure Switch input okay but no
Trial for Ignition after purge delay
4. Valve on, no spark
5. Spark on, no valve
6, Flame okay during TFI, no flame
sense (after TFI)
NOTE: TFI = Trial For Ignition
A) Mis-wired
B) Transformer bad
C) Fuse/circuit breaker bad
D) Bad control (check LED for steady on)
A) Mis-wired (check PSW terminal voltage)
B) Bad thermostat - Do voltage @terminal W
C) Bad control (check LED for steady on)
A) Mis-wired (check PSW terminal voltage)
B) Flame sense problem (existing flame-check LED-2
Flashes)
C) Bad control (check voltage between L1 & IND)
A) Shorted electrode
B) Open HV cable
C) Bad Control
A) Valve coil open
B) Open valve wire
C) Bad control (check voltage between V1 &V2)
A) Bad electrode
B) Bad S1 or HV wire
C) Poor ground at burner
D) Poor flame (check flame current)
68
Cause/Cure