IBC SL 26-260 G3 Installation And Operating Instructions

INSTALLATION AND OPERATION INSTRUCTIONS
5-8
SL 80-399 MODULATING GAS BOILER
SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS
SYMPTOM DIAGNOSIS REMEDY
TEMPERATURE SENSOR
ERROR
Touchscreen Message:
Error - Max. Inlet/Outlet Sensor
Temp. Exceeded. -> Check water
ow
Water temperature signal
not within acceptable range.
Potential ow or sensor failure.
Consult service technician.
Current outlet
temperature exceeds
operating limit.
• Check water ow.
Defective or
disconnected
temperature sensor.
• Check wiring to temperature sensor and control
module.
• Check temperature sensor. See Section 5.2.1.
MISCELLANEOUS
Touchscreen Message :
Blank – screen dark, but fan
running Indicative of power-
surge damage to appliance
• Check transformer; replace if damaged.
• Check circuit board for visible damage.
5.3.2 Ignition Problems
SYMPTOM DIAGNOSIS REMEDY
NOISY SPARK WHEN
IGNITING
Ignition lead is not rmly
connected.
Reconnect ignition lead.
Contaminants/moisture
on igniter probe/ame
sensor.
Ensure probe is dry by re-running post-purge;
otherwise, clean or replace igniter probe.
BOILER RUMBLES WHEN
IGNITING.
Fluctuating gas
pressure/ gas pressure
too high/too low.
Check CO
2
level via analyzer.
Check for proper gas
piping.
Check pressure with manometer during ignition.
BOILER WILL NOT ATTEMPT
TO IGNITE. FAN AND PUMP
ARE OPERATING NORMALLY.
No power to ignition
control module.
• Check system wiring.
• Check air reference tubing.
Igniter probe/ame
sensor disconnected.
Reconnect probe.
Defective Control
Module.
Check ignition output from control module.
BOILER WILL NOT ATTEMPT
TO IGNITE. FAN AND / OR
PUMP ARE OFF DISPLAY
NOT ILLUMINATED
No power to boiler. Check line voltage.
Defective transformer. Check transformer. Reconnect or replace as needed.

IBC SL 26-260 G3 Specifications

General

Brand	IBC
Model	SL 26-260 G3
Category	Boiler
Language	English