Rational iCombi Pro Troubleshooting Manual page 40

Fehlerbaum: Service Error 72 – Error tree for eSTL
Servicefehler: 72
Gerätetyp: iCombi
Problem solved?
Be sure the unit and the steam generator have cooled down to room
temperature (go to service level in basic settings) to get the initial status of
Check the power
supply. Is the voltage and
frequency fluctuating?
no
The error code is a sequence of three steps:
Servicefehler: 72
Unplug the unit from the power supply while working on electrical compartment
Run software update
no
the unit
Take care for a constant voltage and frequency:
yes
230V ± 10% / 50Hz
Switch OFF the unit
Open the unit side panel
Switch ON the unit
Check the blink code of the eSTL
Step 1
For 8 seconds
Sensor
error
Anzeige Service 72
yes
Problem solved?
no
Step 2
For 1 second
High
start
temperatur
1
1
end
yes
end
Step 3
Eight-fold flashing
The green LED (B) flashes 8 times (if 16-fold
flashing: change eSTL)
V03 · 06/2021 · RTS/Awei · en-GB
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