![background image](http://html1.mh-extra.com/html/ibc/ex-series/ex-series_installation-and-operating-manual_3219333086.webp)
3. Tap the
Advanced Diagnostics
button.
4. Tap the
Clear Errors
button.
5. Tap the
Yes
radio button, and then tap
OK
.
The system clears the errors, and resets the boiler.
7.2.6.4 Testing the LWCO function
1. Press and hold the
LWCO Test
button for 5 seconds (located on top of the electrical box).
A message on the screen indicates that the boiler is in lockout mode.
2. On the touchscreen controller, select the
Reset
button.
The message: "The SIM Module has been reset" is displayed.
3. Tap the
Close
button, and then tap the
Back
button until you return to the Home screen.
7.2.6.5 Water Temperature function: reset and test
The hi-limit temperature function monitors the hi-limit temperature set in the SIM. If the water temperature
exceeds the hi-limit temperature, the boiler goes into a lockout condition (locks), requiring a manual reset.
You can test the hi-limit cutoff temperature function on the boiler.
Resetting the boiler after a Hi-Limit lockout
Before you reset the boiler, ensure that the boiler is pressurized and that the air has been removed.
1. On the touchscreen controller, tap the
Home
screen.
2. On the
Main Menu
, tap the
Diagnostics
button.
3. Tap the
Advanced Diagnostics
button.
4. Tap the
Clear Errors
button.
5. Tap the
Yes
button, and then tap
OK
.
The system clears the errors, and resets the boiler.
Testing the Hi-Limit cutoff temperature function
1. On the touchscreen controller, tap the
Home
screen.
2. On the
Main Menu
, tap the
Diagnostics
button.
3. Tap the
SIM Module
button.
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Section: Troubleshooting