BASO BGH2UNCNTRLHT-01 - Manual (Page 12)

12 BGH2UNCTRLHT-01 Universal Hot Surface Ignition Control Installation Instructions
No
Yes
Power On
Initialize software,
test ROM, RAM and E2
get voltage and
frequency
Check for flame
sense stuck on
Do pre-purge delay
blink LED .5 sec. on/off
continuously check
gas valve feedback to
assure valve is off
Perform hot surface
igniter short test, turn
on hot surface igniter
Continuously check
gas valve feedback and
HSI current
After required delay
turn on gas valve
HSI
timeout? Turn off HSI
Gas valve
timeout?
No
No
Check flame, read
flame detect circuit
7X @ 100 MSEC apart
Yes
Flame
detected?
Turn off all relays.
Do between trial purge
blink LED .5 sec. On/off.
Continuously check
gas valve feedback to
assure valve off.
Note: If the thermostat opens,
the control will turn off valves
and returns to the idle state.
Test ROM, RAM, E2, and line.
Test gas valve relay
feedback voltage.
Good flame LED on solid.
Weak flame LED 2 blink.
OK
Flame
detected?
Yes
No
Yes
No
RELIGHT
Yes
Flame bad
7 readings
Lockout Lockout
Lockout Lockout
Lockout Lockout
Lockout Lockout
Lockout Lockout
Error
OK
Error
OK
Error
OK
Error
OK
Error
OK
Continuously check
gas valve feed back and
HSI current
Lockout Lockout
Wait 0.1 second
FLAME LOST, TURN
OFF GAS VALVE AND
TRY TO RELIGHT
Note:
Error Codes
If the controller is flashing an error code, the control
will be in lockout. The controller will stay in lockout and continue
flashing an error code until power is cycled. If an error code repeats,
then see Table 3 Troubleshooting Guide to determine
the problem.
Flame Error
Gas Valve Error
Line Voltage/Frequency Error
Processor Errors
Red Flash Code
1 Blink
3 Blinks
4 Blinks
5 Blinks Error Type
Lockout
Lockout
Stand By
Lockout
Figure 4 : Sequence of Operation Flow Chart