Pentair STA-RITE PRESSOMAT PMS20 PVM 3-5 Instructions De Service page 34

CHAP. 8 FUNCTIONING ANOMALIES
Problem Pilot lights
The motor pumps All the pilot lights are off
not start up
The LINE green pilot light is on
The AUT green pilot light is off
The LINE green pilot light is on
Red pilot light lock level water
switch on
The LINE green pilot light is on
S i
Red pilot light LOCK THERMAL
SWITCH
The LINE green pilot light is on
The AUT green pilot light is on
The LINE green pilot light is on
The AUT green pilot light is
The motor pumps The LINE green pilot light is on
do not stop The MAN red pilot light is on
The LINE green pilot light is on
The AUT green pilot light is on
The motor pumps The LINE red pilot light is on
do not reach the
pressure reported on
the data plate
30
on
Cause
No power supply at the
distribution board
The main switch is position-
ned on 0 (OFF)
The fuses at the exit of the
transformer are disconnected
The unit is operating in
Manual mode
Lack of water in the first
collection tank
The level control is not
operating or is damaged
The level control is not
operating or is damaged
The fuses of one or more
motor pumps are disconnected
The push selector switches
of the distribution board are
positionned on EXCLUSION
The pressure switches are
not calibrated, disconnected
or damaged
The pump(s) operate in
MANUAL mode
The contact of one or more
pressure switch is closed
because of a calibrating defect
The connecting tube of the pres
sure switches are obstructed
The pressure switches cable
Is by-passed
The push selector switches
of the distribution board are
positionned on TEST
The check valves are dirty
or damaged
The timing of the pumps is
activated
Check valves partially
obstructed
Shut-off valves partially
closed or obstructed
Reversed direction of
rotation
Motor pump disabled
Solution
Supply power to the distribution
board
Position the main switch on I (ON)
Replace the disconnected
f
Press the switch AUT
Restore the water level
Set up or replace the level control
Press Thermal cutouts restoring
swicth
Replace the fuses of the motor
pump(s)
Position the push selector
switches on AUTOMATIC CARD
Control the pressure switches
and their connections
Press the switch AUT
Calibrate the pressure switch(es)
Eliminate the obstruction
Replace the cable
Position the push selector
switches on AUTOMATIC BOARD
Clean or replace the valves
Bring to the minimal operating
time
Clean the valves
Open entirely and clean the
valves
Invert the direction of rotation of
the motor pumps
Eliminate possible air locks in the
suction pipe or in the motor pump