8 Troubleshooting
74
R-220 Pro Continuous Operation Manual, Version A
E32 Heating bath icon flashes •
Heating bath runs dry
•
Temperature >200 °C
•
Switch off the unit Let the heating
bath cool down below 180 °C
•
Refill transfer medium at least to
minimum level
Call service if problem is persistent
E33 Heating bath icon flashes •
Actual to set value difference
is higher than 15 °C
•
Electronic malfunction
•
Press “Aerate” button to confirm the
error message
•
Check set value for plausibility (e g
set value below room temperature)
If necessary, wait for the heating
bath to cool down sufficiently
Call service if problem is persistent
E40 n a
Voltage drop or power outage
•
Press “Aerate” button to confirm the
error message
•
Check mains connection for suffi-
cient power performance
•
Alternatively: Install uninterruptible
power supply
Call service if problem is persistent
Error Addition error indicator on display Possible cause
Remedy
E41 n a
•
Load limit exceeded by
external electrical consumers
(30 V)
•
Electronic malfunction
•
Unplug external consumers (e g
valves and sensors) step-by-step
Restart system in-between for
causal research
•
Exchange defective consumer
Call service if problem is persistent
E42 n a
•
Load limit exceeded by
external electrical consumers
(24 V)
•
Electronic malfunction
•
Unplug external consumers (e g
valves and sensors) step-by-step
Restart system in-between for
causal research
•
Exchange defective consumer
Call service if problem is persistent
E43 n a
Electronic malfunction
•
Restart the unit
Call service if problem is persistent
