
Page
8
of
12
123-567 Rev. A
the ESRS Unit should illuminate as well as the red Discharge LED on the Display
Panel.
5.6
Press the “
SILENCE
” button on the Display Panel or on the
ESRS Unit to silence
the alarm.
5.7 With the PS1 circuit still open, put the ESRS into override by simultaneously
pressing the
“S
ILENCE
” and
the
“
” button
s on display panel.
a)
The connected machinery should be able to be restarted.
b)
The red Discharged LED on the Display Panel and the red PS1 LED on the
ESRS unit will remain illuminated.
5.8 Reset the unit by closing the PS1 circuit loop and simultaneously press the
“SILENCE” and
the
“
” buttons.
5.9 The Green POWER LED on display panel and ESRS Unit should be the only LEDs
lit.
The PS2 circuit
5.10 If applicable, open the
“PS2” circuit
. The alarm should sound and both the
“PS2”
LED on the ESRS Unit and the Second Zone (Low Pressure, High Temp
or Aux Discharge) LED on the Display Panel should illuminate. The Relays
should remain in the energized state.
5.11 Reset the unit by closing the PS2 circuit and simultaneously press the
“SILENCE” and the “
” buttons.
5.12 The Green power LED on the Display panel and the ESRS unit should be the
only LEDs lit.
5.13 Use one of the Display Panels in a multiple Display Panel chain to reset the
ESRS unit.
6
COMMON PROBLEM TROUBLESHOOTING GUIDE
Caution: Turn off all power sources before installation, prior to
removing or servicing.
Problem
Possible Cause(s)
Action
1.
The Power LED on
the Unit does not
come on.
x
There is no input power
source.
x
The ESRS power
converter is damaged.
x
Recycle power to the
ESRS unit.
x
Check input voltage
source connected to
the ESRS.
2.
The Alarm and the
PS1 LED are on.
x
There is no continuity
across terminal 1 and 2.
x
The cylinder has
discharged or has a loss
of pressure.
x
Check the Cylinder
pressure gauge.
x
Check for continuity
across terminals 1 and
2 with pressure switch
wires connected.