The bottom line of the touchscreen displays the boiler's error status. The following colors represent
the boiler's operating status:
Green – Normal
Yellow – Warning
Red – Alarm
The text inside the bar will indicate the specific warning or alarm. If there is more than one alarm
present the text will scroll slowly through all current alarm conditions. Besides the errors listed below,
see also
Miscellaneous touchscreen controller errors on page 98
.
8.2.1 Maximum ignition trials error
Maximum Ignition Trials Error
Issue
Diagnosis
Fix
Error – Ignition Failure after 3
tries boiler has failed to ignite on
3 successive attempts. Boiler is
in lockout for 1 hour, then
repeats 3-try sequence. Consult
service technician if error
recurs.
No spark when igniting.
Ignition probe/flame
sensor disconnected.
Check that ignition lead is secure
at the control module and at the
probe.
Manual gas shutoff is
closed or gas line not fully
purged.
Check for gas flow. Open manual
gas shutoff and reset boiler.
Gap between ignition
probe rods is too large or
too small.
Adjust ignition probe rod gap
between ⅛ and 3/16th inch (3.2-
4.7 mm).
Boiler ignites, but shuts
off at the end of the
ignition trial. Improperly
grounded pressure
vessel/burner or
unserviceable ignition
lead or spark module.
Ensure the pressure vessel is
grounded. Check the ignition
probe/flame sensor is electrically
isolated from the vessel, and its
ceramic insulator is intact.
Replace ignition lead Replace
spark module.
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.
97
8.2.1 Maximum ignition trials error
Summary of Contents for SL Series
Page 8: ...Intentionally left empty...
Page 12: ...Figure 5 Top view SL 40 399 G3 Figure 6 Bottom view SL 40 399 G3 8 Section Specifications...
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Page 64: ...Figure 40 Electric wiring connections 60 Section Installation...
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Page 110: ...Internal wiring diagram Figure 46 Internal wiring diagram 106 Section Appendices...
Page 111: ...Sequence of operations Figure 47 Sequence of Operation 107 Sequence of operations...