Julabo FL1201 Operating Manual page 23

Error in A/D converter
The return temperature is above the switch-off value of the high temperature
protection (85°C). Check dimensioning of application.
Use a stronger recirculating cooler if necessary.
After eliminating the malfunction, press the mains power switch off and on
again to cancel the alarm state.
If the unit cannot be returned to operation, contact an authorized service
station.
Warning without a complete shutdown of the unit
Excess temperature warning starting at 75 °C
The return temperature soon reaches the swith-off value of the high
temperature protection (85 °C).
Cooling of the condenser is affected. (see page 27)
•
Clean air-cooled condenser.
•
Check the flow rate and cooling water temperature on water-cooled
condenser.
If the unit cannot be returned to operation, contact an authorized JULABO
service station.
Disturbances that are not indicated.
Overload protection::
After a short cooling interval, the unit will automatically start running.
Fuses:
The mains fuses on the rear of the unit may easily be exchanged as shown on
the left.
Warning:
Before exchanging the fuses, turn off the mains power switch and disconnect the
power plug from the mains socket!
Only use fine fuses with a nominal value as specified.
Example:
Manufacturer
Schurter
Schurter
a) for cooling machine
b) for pump motor
Fine fuses –16 A (230 V unit)
Fine fuses –20 A (115 V unit)
Supplier
Schurter
Schurter
Type
G-fuse insert SPT T16 A
5x20mm
G-fuse insert 172600
TD20,0 A 6,3x32 mm
Order No.
No. 0001.2516
No. 7043.8230
23