Manual

KS 4000 i 1011

Error code

Description Cause Effect Solution

Er 3 Temperature inside unit too high • Permitted ambient temperature has Heating off • Switch off the unit. Allow it to cool down

been exceeded and then switch on again.

• Ventilation slots or fan housing • Clean ventilation slots or fan

blocked housing

• Observe maximum permissible

ambient temperature

Er 4 Differanceberween setpoint and • Motor seized or overloaded Heating off •

Reduce the torque load

actual speeds is too large

(load)

• Reduce the setpoint speed

Er 8 The calibration value of the tempe- • Fault in calibration procedure Heating off • Repeat the calibration procedure

rature sensor is outside the limit •

Value was incorrectly stored to memory

value • EPROM switching error

Er 14 External temperature sensor, • Short-circuit at temperature sensor Heating off • Check the plug

short-circuit plug • Substitude the temperature sensor

• Short-circuit in connecting cable

or on temperature sensor

Er 16 External temperature sensor has • SAFE Temp is set at a temperature Heating off • Allow the unit to cool

exceeded the SAFE Temp lower than the actual temperature on •

Set the SAFE Temp at a higher temperature

the external t

emperature sensor

Er 17 Temperature sensor - Incubation- • SAFE Temp is set at a temperature Heating off • Allow the unit to cool

room has exceeded the lower than the actual temperature on •

Set the SAFE Temp at a higher temperature

SAFE Temp the external t

emperature sensor

Er 26 Difference between the internal • Ventilation slots in incubation room Heating off • Switch off the unit. Allow it to cool down

contro and safety temperature blocked and then switch on again.

sensors too large • Radial-flow fan does not rotaded • Check fan or ventilation slots and

• Fault in the control or safety clean if necessary

temperature sensors

Er 60 Power outage • Power outage during operation Interruption of heating • Delete the display by pressing the

or shaking function shift key