IBC SL 10-85 G3

8.2.2 Hi Limit cut-off temperature error
Hi Limit cutoff temperature Error
Issue Diagnosis Fix
Error – Water High-Limit
Exceeded
Water temperature exceeds
hi-limit. Boiler is in hard
lockout mode.
Refer to the V10 Touchscreen
Controller manual for
information on resetting a
boiler after a hi-limit
temperature lockout.
8.2.3 Low Water Cut-off error
Low Water Cutoff Error
Issue Diagnosis Fix
Error - Low Water Cutoff The Safety and Ignition
module has detected a low
water condition.
Refer to the V10 Touchscreen
Controller manual for
information on resetting a
boiler after a LWCO lockout.
8.2.4 Aux. Interlock 1 or 2
Aux. Interlock 1 or 2
Issue Diagnosis Fix
Interlock 1 or 2 terminals are
open.
Jumper lead is loose or
compromised.
Replace the jumper lead.
External safety is in an alarm
state.
Inspect the external safety
devices.
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Section: Troubleshooting