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XX
Fault Filling
Unit shuts off au-
tomatically.
• Solenoid valve or feed line is fouled or de-
fective.
• Clean or replace solenoid valve
or feed line.
• Defective coil. • Measure coil and replace.
• Water supply is not open. • Open water supply.
• Solenoid valve has not been electrically
activated.
- The cable connections are faulty.
- The relay on the main PCB is not oper-
ating.
•
•
Check or replace cable connec-
tions.
Measure voltage atPCB termi-
nal 11 against 15
or replace PCB
• The steam hose has not been laid at
enough of an incline, causing a water
pocket to form. The steam flow is ob-
structed.
• Check placement of steam
hose. Remove water pocket.
X
Main Contactor
Fault
Unit shuts off au-
tomatically
•
•
Main contactor does not drop out.
Relay on the PCB is stuck.
•
•
Replace main contactor.
Replace PCB.
XX
Fault RH Sensor
(Fault Humidity
Sensor)
• Humidity sensor or line defective. • Check humidity sensor and sen-
sor line, replace if needed.
Unit shuts off au-
tomatically.
Fault Level Sen-
sor
X Unit shuts off au-
tomatically.
•
•
•
Cable connections for the float switch are
faulty.
Plug for the float switch is not connected
to he control
Wrong connection of external control sig-
nal
•
•
•
Check cable connections, re-
place if needed.
Connect plug to the control.
Check connection of external
control signal on terminals 4
and 5
LED
Display
HE ***
ESH***
Message / Mal-
function Dis-
played*
Probable Cause Resolution
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