Low Water Cut-Off Error; Aux. Interlock 1 Or; Miscellaneous Touchscreen Controller Errors - IBC SL Series Installation & Operating Manual

8.2.3 Low Water Cut-off error

Issue
Error - Low Water Cutoff

8.2.4 Aux. Interlock 1 or 2

Issue
Interlock 1 or 2 terminals are
open.

8.3 Miscellaneous touchscreen controller errors

" Loop/Indoor Sensor"
"Insufficient Air Flow"
"Insufficient Water Pressure"
"Unknown Error"
Low Water Cutoff Error
Diagnosis
The Safety and Ignition
module has detected a low
water condition.
Aux. Interlock 1 or 2
Diagnosis
Jumper lead is loose or
compromised.
External safety is in an alarm
state.
Miscellaneous errors
Issue
98
Section: Troubleshooting
Refer to the V10 Touchscreen
Controller manual for
information on resetting a
boiler after a LWCO lockout.
Replace the jumper lead.
Inspect the external safety
devices.
Diagnosis
The sensor Check the P501 plug is
plug is not fully engaged in the back
engaged. of the controller board.
The sensor Check the P501 plug is
plug is not fully engaged in the back
engaged. of the controller board.
Temperature Test each temperature
sensor input sensor for appropriate
problem. readings and Replace
defective temperature
sensor.
Fix
Fix
Fix