9
8. TROUBLESHOOTING
The following table highlights some of the most common problems encountered when using the Vip
4
chain and how to
resolve them.
In the event of doubts or the problem is not listed, do not dismantle the unit but contact a DropsA technical centre for
assistance.
TROUBLESHOOTING TABLE -
Vip
4
chain
FAULT/ALARM
A-PF
Pump Fault
A-AH
Air High
A-AL
Air Low
A-LL
Oil Low
PROBABLE CAUSE
The Flow sensor has not detected
flow to the mixing sub-base. Air
could be trapped in the system.
OR No Oil in system
Air Setting is incorrect or the
delivery tube has become clogged.
Air Setting is incorrect or the
delivery tube has become detached
causing a fall in air pressure
Low oil level in tank or Air Lock.
SOLUTION
Purge Air from the system as described in the
commissioning part of this manual. After cycling the unit,
check to see oil is being dispensed visually.
Check the Oil Level
Hold the DOWN key to see the current air pressure and
ensure that it is lower than the Air High setting in the set
up menu.
Check that the tubes have not become clogged resulting in
an Air High Alarm.
Hold the DOWN key to see the current air pressure and
ensure that it is higher than the Air Low setting in the set
up menu.
Check that the tubes have not become detached resulting
in an pressure loss.
Add Oil to tank. If the alarm does not clear, try purging air
from the hydraulic circuit as described in the comissioning
portion of this manual.
9. MAINTENANCE PROCEDURE
The Vip
4
chain requires only minimal maintenance. Periodically check that the unit is intact and does not present
leaks.
As required, or at least once a year, clean or substitute the refilling filter (3130139)
The unit does not require any special tooling to operate or maintain it. It is recommended that suitable protective
clothing (including gloves and safety glasses) are worn when maintaining the unit in order to avoid hazards to
equipment or persons.
Be sure that all electrical and pressurized hydraulic components are disconnected prior to any maintenance.
