IKA C-MAG HS7, Manual

Page: 54 / 220

54 Error codes
Err. 25 – Heating switching element monitoring fail
Causes
› heater control circuit switch (TRIAC) short-circuited
› safety relay has interrupted the heating circuit
› heater or the supply line is disconnected
› disconnection of heating plate safety temperature sensor
Effect › heating switched off
Solutions › switch device off, leave to cool and switch on again
Err. 26 – Plate temperature > plate safety temperature (more than + 40 K)
Causes
› irregular temperature distribution across heating plate
due to sporadic heat dissipation
› defective control or safety temperature sensor
Effect › heating switched off
Solutions
› switch device off, leave to cool and switch on again
› ensure regular heat dissipation when using metal blocks,
etc. on the flat surface of the heating plate
Err. 31 – Fault in the heater switch element
Effect › heating switched off
Solutions › contact customer service
Err. 44 – Heating plate safety temperature is higher
than the set safety temperature
Causes
› SAFE TEMP H (Hotplate) has been set to lower than the
safety temperature of the heating plate
› disconnection of heating plate safety temperature sensor
Effect › heating switched off
Solutions
› leave the heating plate to cool
› set the SAFE TEMP H (Hotplate) higher