Specifications

MS TECHNICAL MANUAL
LAST UPDATE 12-10-04
1060003 12/04
TROUBLE SHOOTING
Problem Possible Cause Corrective Action
Water Line Valve is closed (MS-250/255). Check that the Water Line Valve is Open
Filter Strainer is restricted. Check and clean the Filter Strainer.
Quick disconnect is not fully engaged at
rear of the unit or is damaged
(MS-250/255).
Remove and reengage the Quick
Disconnect firmly until a “click” is heard.
Replace if damaged.
Low or no water pressure in the water line
(MS-250/255).
Remove the Quick Disconnect Insert from
the rear of the unit. While holding over an
empty cup, press the white plastic tip.
Strong, steady water flow should be noted.
If so, reengage firmly into unit. If not
present, or pressure is low, contact your
maintenance person or plumber.
Improper water pressure to unit
(MS-250/255).
Verify that a Water Pressure Regulator is
installed and set to 20-25 PSI.
Unit is not being cleaned properly
(daily/monthly).
Clean unit daily and monthly as described
in the Maintenance section of this manual.
Programming and/or SHO, H2O values
were adjusted/changed improperly.
Reprogram the SHO and H2O values .
Insufficient or excessive calcium/mineral
deposits on the Generator surface.
Verify that thin layer of calcium/mineral
deposits is present on the Generator
surface.
Unit heats but there is little or no steam
produced
and/or
The product requires more steaming than
usual.