INDICATOR ISSUE RESOLUTION (CHE CK & CORRECT) RESET SOURCE
Hardware Error Roll up of all DTC Che ck oven.DTC Group Indicators for AOC OVEN.DTC1
indicators more information.
T-Rating Conflict DTC -Rating does not Possible configuration error; contact AOC OVEN.DTC1
matc h As-Bui lt T-Rati ng ABB for more information.
DTC Zon e (1-3) Temperature zone fault Check Oven.DTC#.Tz.# indicators for AOC OVEN.DTC1
more information.
Temperature RTD or thermocouple Mea sure re sis tance of RTD wit h one AOC Oven.DTC#.Tz.#
Sensor Fault read in g out of ra nge le ad di sc onne ct ed; 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. Refe r to oven
wiring diagram for RTC and TC
con nections .
Over Temp Zone temperat ure Defective temperature sensor. Syste m power Oven.DTC#.Tz.#
exceeded oven T-rati ng Che ck t empe ra ture p robe a s MUST be cycled
descri be d in Over T emp Re sol ution to clear fault.
in this section. Conta ct ABB f or m ore
information.
Low Te mp Temperature out of range Check s etting a t Setup AOC Oven.DTC#.Tz.#
(low) Tab>Oven>DTC# Button. Adjust as
needed.
High Te mp Temperature out of range Check s ett ing a t Setup AOC Oven.DTC#.Tz.#
(high) Tab>Oven>DTC# Button. Adjust as
needed.
Out of Control Temperature deviates > Check analysis temperature control AOC Oven.DTC#.Tz.#
±10° from setpoint TCF sett ings. Che ck z one indi cator s
and Diagnostic Displa ys.
Ramp Out of Temperature deviates > Check analysis temperature control AOC Oven.DTC#.Tz.#
Contr ol ±10° from setpoint during TCF se ttings. Che ck z one indi cator s
Temperature Ramp and Diagnostic Displa ys.
DTC Di gital Input 1 Low oven purge air pressure. Check purge pressure settings at AOC Oven#DTC#.1
Open on alarm. ove n’s front panel gauge. Adjust as
necessary. Che ck i ns tr umen t air
supply press ure. Check oven gauge
pressure switch.
DTC Di gital Input 2 Differentia l Pressure Check purge pressure settings at AOC Oven#DTC#.2
Sensor ove n’s front panel gauge. Adjust as
necessary. Che ck i ns tr umen t air
supply press ure. Check oven gauge
pressure switch. Ensure all oven
doors are closed and secure.
DTC Di gital Input 3 Temperature Programmed Check purge pressure setting at AOC Oven#DTC#.3
Oven Purge Air Pressure ove n’s front panel gauge. Adjust as
necessary. Che ck i ns tr umen t air
supply press ure. Ceck ove n pu rge
pressure switch.
DTC Di gital Input Optional hardware inputs. Verify input is functioning AOC Oven#DTC#.4-14
4-14 Open on alarm or action properly.
request input.
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