AutoFire® Kiln Controller
User’s Guide
13
Alarm Reference
The following is a reference guide to the alarm conditions that may be encountered while using your AutoFire®
Kiln Controller (refer to page 20).
[Audible Alarm Only]
Display
Meaning
ALAr
Kiln Threshold
Temperature
reached threshold temperature alarm set by user
FtH
Fail to Heat
- kiln unable to heat at program ramp - temperature is below set-point by deviation
amount*
FtC
Fail to Cool
- kiln unable to cool at program ramp - temperature is above set-point by deviation
amount*
HtdE
High Temperature Deviation
- kiln above set-point by deviation amount*
LtdE
Low Temperature Deviation
- kiln below set-point by deviation amount*
LBAt
Low Battery
tC 0
Top Thermocouple
has failed during firing (UniTemp™ Models Only)
tC 1
Bottom Thermocouple
has failed during firing (UniTemp™ Models Only)
tCdE
Thermocouple Deviation Alarm
- Factory Set for > 60
°
C (UniTemp™ Models Only)
*temperature deviation alarms occur when the kiln temperature differs from the set-point temperature by the
alarm value. Typically, this is factory set at 100
°
F (56
°
C). It is changed through Options (see page 17&18)
[Terminating Alarms]
Display
Meaning
FtL
Firing Too Long
- kiln not increasing in temperature.
Temperature increasing at less than 15
O
C/hr
AND
the firing time is 4 hours longer than the program segment
EtH
Electronics Too Hot
– electronics temperature exceeds 85
O
C
FAIL
Open Thermocouple
– thermocouple(s) has failed (opened)
tC01
Both Thermocouples
are 'open' in IdLE mode (UniTemp™ Models Only)
PLOG
Diagnostic tests
to determine if controller operating properly
‘To reset PLOG error, press ‘ENTER’, refer to page 22 for additional details.
Summary of Contents for AutoFire Plus
Page 38: ...AutoFire Kiln Controller User s Guide 36 Appendix C Temperature Equivalents...
Page 41: ...AutoFire Kiln Controller User s Guide 39 Appendix E Connecting Thermocouples...
Page 42: ...AutoFire Kiln Controller User s Guide 40 Appendix F Typical Wiring Diagrams...
Page 43: ...AutoFire Kiln Controller User s Guide 41...