Troubleshooting
311075V 33
Troubleshooting
Status Codes
Determine the status code by counting the
number of times the status indicator (ST)
blinks.
Status Code 1: Pressure Imbalance
Unit senses pressure imbalance between
components A and B, and warns or shuts
down, depending on settings of DIP switches 1
and 2. To turn off automatic shutdown and/or
tighten pressure tolerances for status code 1,
see Status Code 1 and 2 Settings.
1. Check fluid supply of lower pressure com-
ponent and refill if necessary.
2. Reduce pressure of higher component by
slightly turning Recirc/Spray valve for that
component toward Recirc, until gauges
show balanced pressures.
3. Check fluid inlet strainers (51a, page 30)
and fluid filters at gun.
4. Clean or change restrictor at mixer mani-
fold if using disposable mixer gun kit.
Status Code 2: Pressure Deviation
from Setpoint
Unit senses pressure deviation from setpoint,
and warns or shuts down, depending on set-
tings of DIP switches 3 and 4. If equipment
cannot maintain enough pressure for a good
mix with an impingement mix gun, try using a
smaller mix chamber or nozzle.
To turn off automatic shutdown and/or tighten
pressure tolerances for status code 2, see Sta-
tus Code 1 and 2 Settings.
The unit does not check for pressure
imbalance at setpoints less than 250 psi
(1.75 MPa, 17.5 bar).
The unit does not check for pressure
imbalance for 10 sec after entering pres-
sure mode.
ST
TI7016a
Turn Recirc/Spray valve only enough to
balance pressure. If turned completely, all
pressure will bleed off.
The unit does not check for pressure
deviation at setpoint less than 400 psi
(2.8 MPa, 28 bar).
n t
s examp
e,
s
e
pressure is higher, so
use the B side valve to
balance pressures.
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