OPERATING MANUAL STEAM SYSTEM
www.modbar.com Document 003-0042-1.1| Software Version 2.0
Verify that the power switch is turned clockwise to the operating mode position and not counter-
clockwise to the standby mode position.
The steam module features two safety reset thermostat controlled switches, attached near the heater
port on the boiler. If the steam boiler does not heat it may be due to the activation of the safety reset
switches, which are triggered by excess temperature and signify abnormal operation and possibly failed
components. The safety switches mentioned are internal to the steam module and are not user re-
settable. If you believe a safety switch has been activated, the module may require service by an
authorized technician. Please contact Modbar for additional support and information.
Verify that there is water in the sight glass. If the boiler is over or under full, this will cause the tap to
cease functioning.
Verify that pressure is adequate. If the temperature is programmed to below boiling, the tap will not
function.
Verify that the tap handle is pressing the internal drive shaft located below it. If the handle is too loose,
the tap will not function.
This indicates that the o-ring is beginning to wear, and that the machine will soon need preventative
maintenance. Please contact Modbar Support for an o-ring kit, as well as detailed replacement
instructions.
Verify that water is turned on to the module.
Verify that water pressure is adequate. The operable pressure range for Modbar equipment is 35-70psi.
If water pressure is too low, the boiler will not fill.
Verify that the displayed machine status reads “Filling” on the home screen. If it does not, this more
than likely indicates scale on the fill probe, and the probe will need to be cleaned and/or the boiler may
need to be descaled. Contact Modbar support for cleaning and descaling instructions.
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