DeLaval VMS 2008 - Major Code 12: Milk Refrigeration Alarms

Troubleshooting
DeLaval voluntary milking system VMS
94897201.pdf2007-12-18
Milk refrigeration - major code 12
M m Alarm text Type Meaning ActionM m Alarm text Type Meaning Action
12 0 Cooling
recovered
OK
Cooling system is working correctly None required12 0 Cooling
recovered
OK
Cooling system is working correctly None required
12 1 ICS Low
cleaning
water
temperature
User
notification
Tank alarm.
Possible causes:
a. The temperature of the water
from the hot-water supply is too
low.
b. The amount of hot water in the
water mixture is insufficient.
c. Parameter P30 is set to an
unrealistic value (standard 40 °C).
d. The sieves in the water supply
below the Pre-box are clogged.
Find the causes of the alarm and correct
the error.
12 1 ICS Low
cleaning
water
temperature
User
notification
Tank alarm.
Possible causes:
a. The temperature of the water
from the hot-water supply is too
low.
b. The amount of hot water in the
water mixture is insufficient.
c. Parameter P30 is set to an
unrealistic value (standard 40 °C).
d. The sieves in the water supply
below the Pre-box are clogged.
Find the causes of the alarm and correct
the error.
12 2 ICS
Detergent
tank is empty
User
notification
Tank alarm.
Possible causes:
a. One of the detergent containters
are empty.
b. Detergent is not able to flow into
the system.
a) Replace the container. If the problem
persists, contact service engineer.
b) Service engineer only: check the
cleaning-agent circuit.
12 2 ICS
Detergent
tank is empty
User
notification
Tank alarm.
Possible causes:
a. One of the detergent containters
are empty.
b. Detergent is not able to flow into
the system.
a) Replace the container. If the problem
persists, contact service engineer.
b) Service engineer only: check the
cleaning-agent circuit.
12 3 ICS Drain
fail. Can not
empty the
buffer tank
User
notification
Tank alarm.
Possible causes:
a. Pump does not run.
b. Drain or milk valve does not
open.
c. Level controller is broken.
Contact service engineer.
Service engineer only:
a) Check the output-board signal. Check
the wiring to the contactor and the pump.
Check the overload protector. Check the
output-board fuse.
b) Check if air pressure is available.
Check signals to pilot valves.
Check pilot valves. (Use P90 or the manual
service key to check individual valves)
c) Check for water or milk in the receiver
tank.
If yes, proceed with a or b.
If no, check level control board. (use P91 -
1 low level, P91 – 2 high level).
12 3 ICS Drain
fail. Can not
empty the
buffer tank
User
notification
Tank alarm.
Possible causes:
a. Pump does not run.
b. Drain or milk valve does not
open.
c. Level controller is broken.
Contact service engineer.
Service engineer only:
a) Check the output-board signal. Check
the wiring to the contactor and the pump.
Check the overload protector. Check the
output-board fuse.
b) Check if air pressure is available.
Check signals to pilot valves.
Check pilot valves. (Use P90 or the manual
service key to check individual valves)
c) Check for water or milk in the receiver
tank.
If yes, proceed with a or b.
If no, check level control board. (use P91 -
1 low level, P91 – 2 high level).
12 4 ICS No
water supply
during
cleaning
Stop alarm Tank alarm.
Possible causes:
a. Water valve broken.
b. Water tap closed.
c. Water system frozen.
a) Check the water valves (use P90).
b) Check the tap.
c) Defrost the system.
12 4 ICS No
water supply
during
cleaning
Stop alarm Tank alarm.
Possible causes:
a. Water valve broken.
b. Water tap closed.
c. Water system frozen.
a) Check the water valves (use P90).
b) Check the tap.
c) Defrost the system.
12 5 ICS
Checksum
error in
parameter
memory
User
notification
Tank alarm.
A power failure has corrupted the
parameter memory.
Use P83 –1 to reset the complete system.
Parameters with other settings than the
default values must be set again. If
necessary, contact service engineer.
12 5 ICS
Checksum
error in
parameter
memory
User
notification
Tank alarm.
A power failure has corrupted the
parameter memory.
Use P83 –1 to reset the complete system.
Parameters with other settings than the
default values must be set again. If
necessary, contact service engineer.
12 6 ICS
Checksum
error in
program
memory
User
notification
Tank alarm.
Error in the EPROM.
Contact service engineer.
Service engineer only: change the EPROM.
12 6 ICS
Checksum
error in
program
memory
User
notification
Tank alarm.
Error in the EPROM.
Contact service engineer.
Service engineer only: change the EPROM.
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