Memmert ONE 7 - 45 Oilbath (Generation 2003) - Manual (Page 23)

EXCELLENT page 23
12 Check list for fault rectification
In case of a malfunction contact an authorized service station for Memmert equipment or please inform
the Memmert service department (see section 16).
In case of queries always specify model and serial number (on the rating label)
13 Action on supply failure
After a failure of the supply, operation continues with the previously set parameters.
14 Glossary
• nominal temperature = the maximum adjustable setpoint temperature of the bath.
•
• ambient temperature = the continuous temperature of the room in which the bath is set up
• setpoint temperature dependent on operation = the integrated digital timer for the hold time
starts no earlier than the temperature in the bath has reached the setpoint to least 0.5°C at
95°C nominal temperature resp. 2°C at 200°C nominal temperature.
Main switch ON,
no indication on the display Main fuse 15A or instrument fuse T80mA 250V~ on circuit board
55167.x has blown
Controller faulty
Electrical supply interrupted
symbol not alight Ambient temperature too high
Temperature in bath above the selected setpoint temperaturer
symbol alight Temperature protection (TB) has operated
symbol flashes Temperature protection (TWW/TWB) has operated
Monitoring relay has operated
symbol flashes Liquid level too low
C O N F
Error on self test
E - 1
Power module triac faulty
E - 2
Power module faulty
E - 3
Pt100-temperature probe faulty
E - L
Communication to power unit interrupted