Chopin Mixolab, Maintenance Manual

Page: 20 / 144

20 Chapter 2 Troubleshooting
Maintenance manual
MM-MIXO-EN Ind. 0
04/2012
Mixolab
ERR 16 "Electronic problem on bowl block
heating!"
Permanent bowl block heating
control detected by heating safety
■
Switch the Mixolab off and then on.
■
Problem on CPU board
- Check all connections on the Mixolab CPU
board
- Replace the CPU board if the problem is
not solved.
op. 9-1
ERR 21 "Tank temperature too high!"
Cooling time out (after 15 min of
heating absence, tank T˚ > 110% of
setpoint)
■
Confirm on maintenance screen.
■
The lab temperature is too high (it shall be
lower than [setpoint_T – 5°C]) -> modify it
and wait for temperature decrease or
replace the water by colder water.
■
Wrong temperature indication:
- Calibrate the tank temperature
measurement
- Check and replace the sensor if the
problem is not solved.
op. 11-3
op. 4-5
ERR 22 "Tank temperature too low!"
Heating time out (after 15 min of
heating absence, tank T˚ < 90% of
setpoint)
■
Confirm on maintenance screen.
■
Wrong temperature indication :
- Calibrate the tank temperature
measurement.
- Check and replace the sensor if the
problem is not solved.
■
Insufficient heating :
- Check the heating circuit.
- If necessary, replace the failed resistor.
op. 11-3
op. 4-5
op. 11-13
op. 2-1
ERR 23 "Tank empty!"
Icon at the bottom of the screen = red
Fill the Mixolab tank. If there is enough
water:
■
Wrong indication of water level:
- sensor float jammed: remove it, check it
and replace it if necessary.
- Replace the CPU board if the problem is
not solved.
op. 4-2
op. 9-1
ERR 3 No communication with the Mixolab,
during access to a menu requiring a
dialogue
■
Verify that the Mixolab is correctly
connected and switched on.
■
Check the USB connection (or RS 232
connection) between the PC and the
Mixolab, including internal wiring.
■
Replace the CPU board if the problem is
not solved.
op. 9-1
ERR No Description Action
See in
Chap.3