RH CGS-240 - Page 86

Troubleshoot/Maintenance
CGS-240 Manual 6/15/2021
Page 86 of 148
power and connection (see
section 6.2.7 or 6.6.6).
Faulty Saturator/Chamber
select solenoids (SOL4 &
SOL5) (see section 6.2.7).
47
[Lt] Presat Liquid Sensor Dry
The liquid tube sensor remains dry
while the fill pump has exceeded
it’s max run time.
Check distilled water
reservoir (see section
3.3.2.2)
If error persists after
reservoir has been filled you
may need to re-prime the
presat fill pump (see section
3.3.2.3 and 6.3.2).
148
Flow or Pressure stepper error
Stepper motor error on flow valve
or expansion valve.
Check flow or expansion
valve stepper controllers
(see section 6.2.3 or 6.2.5)
WARNING CODES
DESCRIPTION
RESOLUTION
225
[Tp] Presat temperature high
Pre saturator temperature is too high.
Verify pre saturator
temperature.
Check pre saturator
temperature sensor (Ch1)
connection or check
temperature measurement
board (see section 6.7 or
6.1.3).
227
[Tev] Expansion valve
temperature high
Expansion valve temperature is too
high.
Verify expansion valve
temperature.
Check expansion valve
temperature sensor (Ch5)
connection or check
temperature measurement
board (see section 6.7 or
6.1.3).
230
[Pai] Regulated Air-in Pressure
high
Regulated air-in pressure is too high.
Check that supply pressure
is below 175psi.
Check pressure indication
on dial gauge (see section