5 Service programs
Training manual Convotherm 4 81
Item Name Function Value
range
Default
setting
Units
90 02 Pump fault
delay
Defines the time delay before outputting a pump
error
(ID 35=cleaning agent, ID 72=rinse aid) when
the pump has been switched on and the pres-
sure switch (ID 85) still does not indicate any
water flow.
Defines the time delay before outputting a
pressure-switch error when the pump has been
switched off and the
pressure switch (ID 85) still indicates water flow.
0 - 655 12 [s]
90 03 Fan motor
speed
tolerance for
cleaning
Defines the speed tolerance for the fan motor
when the cleaning circulation process is
launched. Should be used to identify failure of
the circulation pump or a blockage in the
circulation pipes.
0 - 50 0 [Hz]
90 04 Fan speed
fault time
Defines the time period in which the speed
tolerance of the fan motor shall be monitored
before an error message appears.
0 - 255 100 [s]
90 05 max temp, start
cleaning
Defines the maximum temperature allowed for
the cleaning process to start.
0 - 255 65 [°C]
90 06 Finished tone
length
Defines the length of the beep signal when
cleaning has finished.
0 -
36000
60 [s]
90 07 Delivery rate
adjustment
for clean-
ing-fluid pump
(frequency)
Defines the multiplication factor for the deter-
gent or rinse-aid pump time specified in the
cleaning profile.
10 is used for 50 Hz
8 is used for 60 Hz
1 - 10 10 [s]
90 08 Temperature
difference error,
circulation
pump
Boiler
Item Name Function Value
range
Default
setting
Units
100 02 Automatic
boiler rinsing
Defines whether automatic boiler rinsing is
enabled or disabled.
0 / 1 1 -
100 03 Boiler interim fill
Defines the time period during which the fill
valve is open in order to reduce the foam
produced by cleaning agent and steam bubbles.
Please note: This parameter should be speci-
fied to a precision of 0.1.
5 - 30 10 [0.1 s]
100 05 Error message
E01
delay when
running
Defines the length of time for which the water
level can lie below the lower water-level sensor
before an error message is displayed during
cooking.
30 - 300 60 [s]
100 06 Error message
E01
delay when idle
Defines the length of time for which the water
level can lie below the lower water-level sensor
before an error message is displayed while
cooking is not in progress.
0 -
65535
300 [s]
100 07
Preheat temp
Defines the preheat temperature at which the
water in the boiler shall be held.
0 - 99 88 [°C]
100 12 Limescale
indicator
Defines whether or not to display the boiler
limescale level.
0 / 1 0 -