DROPSA BRAVO - Troubleshooting Guide

17
8. TROUBLESHOOTING
Below is a trouble shooting table to show possible problems and solutions. If you are in any doubt about the correct
solution to fixing a problem, do not dismantle parts of the Bravo but contact an Authorized Dropsa Sales and Service Point
for technical assistance.
TROUBLESHOOTING TABLE
PROBLEM
POSSIBLE CAUSE
REMEDIAL ACTION
Pump Motor does
not operate
Power missing.
Check the power lines, ensure that any fuse installed is still intact.
Electronic Controller does not
function.
Replace electronics board.
Gear motor no longer works.
Replace gear motor assembly.
Pump is operating
but no lubricant
reaches points
Tubing is disconnected.
Check the condition of tubing in the system and ensure that it is correctly
secured and not blocked for example, by hardened grease.
Distributor valves are blocked.
Clean or replace.
Presence of air in the lower casing
of the pump
Detach the fitting of the pump, start the pump until the grease starts
coming out; reattach the fitting and verify that the pump distributes
properly.
Pump blocked
Disassembly and cleaning the pump; or replace the pump.
Progressive distributor blocked
Unblock the progressive distributor by means of removing the cap
corresponding to the piston and shift the position of the piston; re-tighten
the cap and verify that the pump distributes properly.
In case the defect persists, replace the progressive distributor.
Lubricant does not
reach lubrication
points on each pump
cycle or irregularly
Distributor valves are incorrectly
connected or sized.
Check valves and system schematic.
Incorrect Pause/Cycle Settings.
Ensure that the system designs and settings allow for at least a full cycle for
all distributor valves in the system.
PROBLEM
POSSIBLE CAUSE
REMEDIAL ACTION
No lubricant from
pump
Reservoir is empty.
Refilll, and verify any low level alarms.
Air bubble in grease
Disconnect the primary tubing from the pump and operate a lubrication
cycle.
Check that clean, air free grease is coming from the pump and then
reconnect the tubing.
Incompatible lubricant.
Some lubricants are not suitable for automatic pumping systems. Replace
the grease.
Blocked pumping element.
Dismantle the pumping element and check for contamination. Clean and
reinstall or repalce.
Worn pump element.
Replace pump element.
Pump element Check worn.
Replace pump elment.
The display is not lit
Incorrect power/voltage.
Check power and voltage.
Ensure proper power supply to pump.
The pump starts the
lubrication cycle but
then immediately
stops
Defective or blocked Pump motor.
Allow the pump to cool. Retry the lubrication cycle. If the problem persists
It will be necessary to replace the pump motor assembly.
: Allowed only specialized Dropsa’s staff