Troubleshooting Guide - Hatco STM-4G Series Installation & Operating Manual

Table of Contents

Advertisement

WARNING
To avoid any injury or damage, the steamer must
only be serviced by qualified personnel.
Symptom
Water tank is filled, power is ON,
but no steam is generated.
Water tank is filled, "Low
Water" symbol is lit.
Unit is connected to water
supply, but no steam is
generated.
"Low water indicator" symbol
is lit.
No power.
Excessive water
accumulating in the bottom of
the steamer.
Door is closed but the "Safety
Lock" symbol is flashing in
the display.

TROUBLESHOOTING GUIDE

To prevent electrical shock or injury, turn the
power switch OFF, disconnect the unit from the
power source and allow to cool before
performing any maintenance.
Probable Cause
HOME USER
Check valve at water tank is
stuck.
Floating magnet within the
water tank is stuck.
COMMERCIAL USER
Water supply is turned off.
The connection pipe is bent
or kinked.
Wire mesh screen at inlet is
clogged.
Steaming cycle has not been
started.
Unit is set in "Manual mode".
ALL USER'S
Power cord is not plugged in
to back of unit or electrical
outlet.
Internal thermal fuse tripped.
The unit is not turned on.
Floating disc not installed
properly.
Floating disc cover plate
holes are clogged.
Door sensor is inoperable.
17
WARNING
Corrective Action
Make sure check valve is not stuck.
Water tank not fully seated in cavity.
Clean the tank interior or replace the
tank.
Turn on water supply.
Straighten connection pipe or replace
it.
Clean the mesh screen.
Push Start button.
Open door, press and hold Start
button for two seconds to switch to
Auto Fill mode.
Plug power cord into unit and
electrical outlet.
Allow the unit to cool down, then
press the Power button to turn the
unit on. If the problem persists,
contact your local Authorized dealer
for service.
Press the I/O Power button to turn
the unit on.
Install floating disc with locating pin
seated properly in the center drain
hole.
Clean cover plate.
Contact your local Authorized dealer
for service.
Form No. STMSM-1007

Advertisement

Table of Contents
loading

Table of Contents