JULABO CF41 Cryo-Compact Circulators - Manual (Page 30)

Manual operation
30
7.4.2. Early warning system, low level protection
(patented)
This low level protection is independent of the control circuit and is
divided in two sections.
1. Switch in stage 1 recognizes a critical fluid level
.
An audible warning (interval tone) sounds and a message appears on
the VFD COMFORT-DISPLAY
XXXXX
WARNING
CODE 40
Press

Niveau level warning
Critical fluid level
Replenish the bath
tank with bath fluid
Refill bath fluid!
2. witch in stage 2 recognizes a low fluid level
.
If stage 2 of the low level protection device (according to IEC 61010-
2-010) is triggered, a complete shutdown of the heater and circulating
pump is effected.
A continuous alarm tone sounds and a message >ALARM< >CODE
01< appears on the VFD COMFORT-DISPLAY.
XXXXX
ALARM
CODE 01
Press

Insufficient liquid
level or float is
defective.
Turn off the unit with the mains switch, refill bath fluid and turn the
unit on again!
Important: Check the safety installations from time to time.
Caution:
When adding bath fluid, always use the same bath fluid type that is already in the bath.
Bath oils must not contain any water and should be pre-heated approximately to the
current bath temperature!
Explosion hazard at high temperatures!