ABB PGC5000 Series Service Instructions Manual page 23

PGC5000
PGC5000 Series Service Instructions
INDICATOR ISSUE
Hardware Error Roll up of all DTC
indicators
T-Rating Conflict DTC -Rating does not
match As-Built T-Rating
DTC Zone (1-3) Temperature zone fault
Temperature RTD or thermocouple
Sensor Fault reading out of range
Over Temp Zone temperature
exceeded oven T-rating
Low Temp Temperature out of range
(low)
High Temp Temperature out of range
(high)
Out of Control Temperature deviates >
±10° from setpoint
Ramp Out of Temperature deviates >
Control ±10° from setpoint during
Temperature Ramp
DTC Digital Input 1 Low oven purge air pressure.
Open on alarm.
DTC Digital Input 2 Differential Pressure
Sensor
DTC Digital Input 3 Temperature Programmed
Oven Purge Air Pressure
DTC Digital Input Optional hardware inputs.
4-14 Open on alarm or action
request input.
SI/PGC5000-EN, Rev B
RESOLUTION (CHECK & CORRECT)
Check oven.DTC Group Indicators for
more information.
Possible configuration error; contact
ABB for more information.
Check Oven.DTC#.Tz.# indicators for
more information.
Measure resistance of RTD with one
lead disconnected; should measure
about 425 ohms at room
temperature. Replace as necessary.
Disconnect TC and use a TC tested
to verify proper operation of the TC.
Replace as necessary. Refer to oven
wiring diagram for RTC and TC
connections.
Defective temperature sensor.
Check temperature probe as
described in Over Temp Resolution
in this section. Contact ABB for more
information.
Check setting at Setup
Tab>Oven>DTC# Button. Adjust as
needed.
Check setting at Setup
Tab>Oven>DTC# Button. Adjust as
needed.
Check analysis temperature control
TCF settings. Check zone indicators
and Diagnostic Displays.
Check analysis temperature control
TCF settings. Check zone indicators
and Diagnostic Displays.
Check purge pressure settings at
oven's front panel gauge. Adjust as
necessary. Check instrument air
supply pressure. Check oven gauge
pressure switch.
Check purge pressure settings at
oven's front panel gauge. Adjust as
necessary. Check instrument air
supply pressure. Check oven gauge
pressure switch. Ensure all oven
doors are closed and secure.
Check purge pressure setting at
oven's front panel gauge. Adjust as
necessary. Check instrument air
supply pressure. Ceck oven purge
pressure switch.
Verify input is functioning
properly.
5 Diagnostics and troubleshooting
RESET SOURCE
AOC OVEN.DTC1
AOC OVEN.DTC1
AOC OVEN.DTC1
AOC Oven.DTC#.Tz.#
System power Oven.DTC#.Tz.#
MUST be cycled
to clear fault.
AOC Oven.DTC#.Tz.#
AOC Oven.DTC#.Tz.#
AOC Oven.DTC#.Tz.#
AOC Oven.DTC#.Tz.#
AOC Oven#DTC#.1
AOC Oven#DTC#.2
AOC Oven#DTC#.3
AOC Oven#DTC#.4-14
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