Memmert ULE 600 - Troubleshooting and Service; Fault Rectification Checklist; Handling Display Errors

Check list for rectifying faults - This can only be done by a service engineer.
Fault
Cause
Knob 2 in position |,
green lamp 3 not on
Equipment not connected
Lamp faulty
No temperature indication on the
display
Microfuse defective
T32mA 250 V~on printed wiring board 55121.x
No temperature indication on the
display
Red lamp 5 on
Temperature Limiting Device turned on
Press the red reset button (see procedures for
resetting the temperature limiting device).
Yellow lamp 4 not on
Ambient temperature too high, working tempera-
ture in oven higher than the working temperatu-
re set with knob 1 (set point). Lamp faulty
Display: "E-1" + Circuit element TRIAC defective,
send printed wiring board back to Memmert for
exchange.
Display "E-2" « Possibility 1.
Heating defective, the oven does not heat
anymore
Check current passage at the heating terminals
according to wiring diagram;
Possibility 2
Circuit element TRIAC defective;
Send printed wiring board back to Memmert for
exchange.
Display "E-3" +
PT100 defective
Display "E-4" *
Internal Configuration Error.
Turn off the oven, then turn it back "on".
* In case of a malfunction- Display E1 to E4 - „Please inform the Memmert service
department.
UE/BE 200-800/ULE 400-800
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The details in these Operation Instructions must be carefully observed in order to
ensure satisfactory operation.
Warranty and claims for damage are excluded if these instructions are disregarded.
We reserve the right to make changes in technical specifications.
Dimensions subject to confirmation.
Our Address MEMMERT GmbH + Co.KG
P.0.Box 91107 Schwabach
Federal Republic of Germany
Phone: 09122/925-0*. Tx 624973 mems
Fax 09122/14585
© by MEMMERT GmbH+Co.KG
ab 06/94
D 06563
UE/BE 200 - 800/ULE 400-800
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