English
5.906-732.0 Rev. 00 (12/14)
23
Troubleshooting
Failure
Cause
Remedy
Safety interlock cannot be opened
Pressure in the pressure tank too high Release pressure, operate steam gun.
Safety interlock cannot be opened
Safety lock defective
Replace defective parts.
No steam exits the steam gun
Steam switch on the gun defective
Replace the switch
No steam exits the steam gun
Transformer, cable, heating, solenoid
valve defective.
Replace defective parts.
AHTR Uninstalling / installing transformer
AHNK Uninstalling / installing mains con-
nection
Replace the thermostat
ADMA Uninstall / install solenoid valve
Steam volume cannot be regulated
Control valve steam volume defective Check the control valve steam volume.
Replace defective parts.
ADRD Uninstalling / installing the control
valve steam volume
The moisture of the steam cannot be
regulated
(VAPOHYDRO system)
VAPOHYDRO control valve defective Replace valve.
ADRW Uninstalling / installing the control
valve water volume
The indicator light for water shortage
is always on
Thermostat defective
Replace the thermostat
ADTW Uninstall / install water shortage
thermostat
Safety lock has opened
Pressure regulator defective
Check / replace the pressure regulator
ADDR Uninstalling / installing the pres-
sure regulator
Safety lock has opened
Safety lock defective
Replace the safety lock
Thermostat has switched the device
off
The pressure regulator or thermostat
water shortage is defective
Replace pressure regulator or thermostat
water shortage
ADDR Uninstalling / installing the pres-
sure regulator
ADTW Uninstall / install water shortage
thermostat
Check electrical system.
Appliance does not heat up
Heating, mains connection, thermo-
stat, switch heating, switch steam sup-
ply, thermostat water shortage
defective
Replace defective parts.
AHNK Uninstalling / installing mains con-
nection
ADTH Uninstalling / installing thermostat
ADTW Uninstall / install water shortage
thermostat
No temperature indication
Temperature indicator defective
Replace temperature indicator.
