Stack st8130 series - Page 67

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No. Symptom Possible Cause Remedy Notes
9 Fixed pressure
reading of 0 PSI
or 0.0 Bar or
suspected
low/slow reading
Pressure sensor
has failed
Replace sensor
Faulty sensor
connections
Check pressure
connections
Check plumbing
for a blockage
(kinks in flexible
hoses)
10 All sensors show
fixed high values
Switch 1 (Peaks)
faulty
Replace switch Disconnect
switch. If values
return to normal,
replace switch.
Faulty switch wiring Check switch
wiring
Check wiring for
short between
connector pins K
and H (earth)
11 Displays pressure
values too low
and temperature
values too high
Low Battery voltage Recharge battery The system does
not give accurate
readings when
voltage is below
9.0V
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