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Errors


Boiler type Q95M-200

Error code 9b26

Cause:

Aquastat contacts open or LWCO contacts open or 3.5” Switch open

Solution:

- Verify proper setting of control. Water temp too high, wait for temperature to drop below 180 degrees.

- Check water level in boiler, fill if low. Press LWCO reset switch on display panel If problem still exists, check LWCO probe and board according to manufacturer’s instructions. Replace if necessary.

- Check pressure switch for proper operation. Replace if moisture has entered switch. Check venting for blockage. Clear if present.