![background image](http://html.mh-extra.com/html/coffee-queen/tower/tower_service-manual_2634497034.webp)
34.
12. Error message - SERVICE
TOWER
Error message: Display shows: E1, E2, E3, E4.
LEVEL CONTROL
TEMPERATURE CONTROL
Display shows:
E1
=
Level sensors short electrod is
Clean level sensor.
earthed, (GND)
Change level sensor.
but not level sensors long electrod.
Cables wrongly coupled.
Display shows:
E4
=
Filling time too long.
Restart machine.
Low pressure on water.
Water tap not open.
Display shows:
E2
=
Temp. sensor out of range
5
°C
- 105
°C.
Temp. sensor failure.
Change temp. sensor.
Cable is loose.
Connect cable.
Display shows:
E3
=
Heating time too long.
Restart machine.
Solid state defect.
Change solid state.
Element defect.
Change heating element.
High limit control defect.
IMPORTANT!
All maintenance and installations must be done of an
authorized technician.
Summary of Contents for TOWER
Page 20: ...20 40 41 42 50 49 48 43 44 45 46 47 51 52 14 Sprängskiss Serveringsstation TOWER 53 ...
Page 38: ...14 Exploded View serving station TOWER 38 40 41 42 50 49 48 43 44 45 46 47 51 52 53 ...
Page 39: ...39 15 Elschema Electrical diagram 3 x 400VAC ground zero TOWER ...
Page 40: ...40 15 Elschema Electrical diagram 3 x 400VAC ground TOWER ...
Page 41: ...41 15 Elschema Electrical diagram 3 x 230V ground TOWER ...
Page 42: ...42 16 Måttskiss Dimension sketch Tower station TOWER ...
Page 43: ...43 16 Måttskiss Dimension sketch serving station TOWER ...
Page 44: ...44 17 Väggmontering bryggstation Wall mounting brew station TOWER ...