IKA C-MAG HS7, Manual

Page: 52 / 220

52 Error codes
Err. 3 – Temperature inside unit is higher than + 80 °C
Causes
› heat accumulation between heating plate and housing
› permitted ambient temperature exceeded
Effect › heating switched off
Solutions
› switch device off, leave to cool and switch on again
› change experiment
› observe maximum permissible ambient temperature
Err. 4 – Motor control is unavailable
Causes › motor blocked or overloaded
Effect
› heating switched off
› motor switched off
Solutions
› reduce load torque or use smaller magnetic rods
› reduce target speed
Err. 5 – No temperature increase measured by temperature sensor
(selected time in menu)
Causes
› sensor not in medium
› volume of medium to be measured too large
› heat conductivity of medium to be measured too low
› heat conductivity of the vessel is too low
› in the case of indirect heating, the overall heat
conductivity resistance is too large
Effect › heating switched off
Solutions
› place the sensor in the medium
› reduce the volume of the media
› use a carrier fluid with better heat conductivity properties
› replace the glass vessel with a metal pot
› increase the “Time-out” period
Err. 6 – Sensor plug out during Heating
Causes › defective connection cable
Effect › heating switched off
Solutions › replace cable