PGC5000
PGC5000 Series Service Instructions
5 Diagnostics and troubleshooting
SI/PGC5000-EN, Rev B
24
INDICATOR
ISSUE
RESOLUTION (CHECK & CORRECT)
RESET
SOURCE
DTC Digital Input
Electronic Section Purge
Check purge pressure setting at
AOC
Ovn#DTC#.15
15
Alarm Input
.
oven’s front panel gauge. Adjust as
necessary. Check instrument air
supply pressure. Check oven purge
pressure switch. Ensure all oven
doors are closed and secure.
DTC Digital Input
Purge Alarm Override
Verify input device is functioning
AOC
Ovn#DTC#.16
16
properly.
Alarm Relay
Open input overrides the
Verify proper operation of common
AOC
Ovn#DTC#.D1
Override
common alarm output.
Alarm override switch.
Software Error
Roll up of software faults
Check the EPC and EPC Group Zibe
AOC
Ovn#.EPC
at the DTC
more information.
Hardware Error
Roll up of detector
Check the EPC and EPC Group Zibe
AOC
Ovn#.EPC
diagnostics at the EPC
more information.
EPC Zone (1-10)
Rollup of Zone (1-10)
Check EPC Zone specific indicators
AOC
Ovn#.EPC(1-10)
Indicators
and correct as necessary.
Prsr Sensor Fault
Defective pressure sensor
Replace pressure sensor if needed.
AOC
Ovn#.EPC.PZ.#
Low Presure
Pressure out of range
Adjust pressure zone’s low limit
AOC
Ovn#.EPC.PZ.#
(low)
under the Setup Tab. Verify supply
pressure to the zone. Correct as
necessary. Replace EPC sensor or
solenoid valve as necessary.
Zone’s inlet filter plugged
Replace as necessary. Leak check
analyzer and supply lines.
High Pressure
Pressure out of range
Adjust pressure zone’s high limit
AOC
Ovn#.EPC.PZ.#
(high)
under the Setup Tab. Replace EPC
sensor or solenoid valve as
necessary.
Out of Control
Pressure deviates >±3.575
Check analysis pressure control TCF
AOC
Ovn#.EPC.PZ.#
psi from setpoint
settings. Check Zone indicators and
Diagnostic Displays.
Possible leak
Leak check analyzer
Ramp Out of
Pressure deviates >±3.575
Check analysis pressure control TCF
AOC
Ovn#.EPC.PZ.#
Control
psi from setpoint during
settings. Check Zone indicators and
Pressure Ramp
Diagnostic Displays.
Software Error
Rollup of software faults at
Check indicators and diagnostic
AOC
Ovn#.DTM#
the Det Amp
Displays at Detector Amplifier
Hardware Error
Rollup of detector indicators
Check detector indicators for more
AOC
Ovn#.DTM#
information and Diagnostic Displays
at Detector Amplifier.
Detector Fault
TCD Master Digital board
Detector amplifier fault. Replace
AOC
Ovn#.DTM#.TCD.#
has detected a falut
amplifier assembly.
Flame Out
FID or FPD flame not
Check utilities, igniter including fuel,
AOC
Ovn#.DTM#.FID/FPD#
detected
burner, connection. Verify flows,
burner air.
Autoignite Limit
Retry of Automatic Ignites
Check utilities, igniter including fuel,
AOC
Ovn#.DTM#.TCD.#
has been exceeded
burner, connection. Verify flows,
burner air.
Autzero Conflict
Autozero attempted during
Move autozero TCF to a time into
AOC
Ovn#.DTM#.TCD.#
peakmeasurement
analysis when a component is not
being measured.
Offline (Configured) Stream in offline state
Information Only.
AOC
Stream
Streams)