Troubleshooting Error Messages - IBC SL Series Installation & Operating Manual

8.1.4.1 Table showing LED operating status
Its two status LEDs indicate the operating status as shown in the table below.
LED 1
Rapid flash Rapid flash
Off Off
Off On
On On
Rapid flash On
Off Flashing
Flash alternately Flash alternately
with LED 2 with LED 1
Table 14 SIM+ LED status Indicators

8.2 Troubleshooting error messages

Warning
Never attempt to repair the control module (circuit board). If the control module is
defective, replace it immediately.
Errors shown on the touchscreen controller are described below as well as diagnoses and fixes.
SIM Status Indicators
LED 2 State
Power up or
resetting
Standby
Pre-purge or
inter-purge
Heating
Igniting
Lockout
Fail-safe
96
Section: Troubleshooting
Description, LED status
indication
Startup checks and initialization
LED 1 Off = No flame or sparking
LED 2 = Burner-on call state
LED 1 Off = No flame or sparking
LED 2 = Burner-on call state
LED 1 On = Flame detected
LED 2 = Burner-on call State
LED 1 Flashing - Electrode sparking
LED 2 = Burner-on call state
Possible errors:
An operating limit was
exceeded
A sequence failed
An external sensor fault was
detected.
An error was detected - the boiler
requires a power cycle