Stack ST8100 - Page 53

STACK ST8100 Display System Chapter 6. Troubleshooting
Users Guide 43
No. Symptom Possible Cause Remedy Notes
14 Switch 1: Show
peak values does
not work
Switch 1 faulty Replace switch Disconnect
switch and
short its leads.
If display
changes,
replace Switch
1. Otherwise
check wiring.
Faulty switch wiring Check switch wiring
for correct
continuity
Pin K to red S1
wire less than
1.0 Ohm and
Pin K to Pin H
(earth) greater
than 1M Ohms)
15 Switch 2: Show
last alarm function
does not work
Switch 2 faulty Replace switch Disconnect
switch and
short its leads.
If display
changes,
replace Switch
2. Otherwise
check wiring.
Faulty switch wiring Check switch wiring
for correct
continuity.
Pin L to red S2
wire less than
1.0 Ohm and
Pin L to Pin H
(earth) greater
than 1M Ohms)