Diagnostics; Control Diagnostics; E-Mail Notifications; Displaying Current Alarms - Carrier Touch Pilot Manual

8 - DIAGNOSTICS

The control system has many fault tracing aid functions,
protecting the unit against risks that could result in the failure
of the unit.
The. local. interface. gives. quick. access. to. monitor. all. unit.
operating conditions. If an operating fault is detected, the
alarm is triggered.

8.1 - Control diagnostics

The user interface enables the quick display of the unit status:
The blinking bell icon indicates that there is an alarm,
but the unit is still running.
The highlighted bell icon indicates that the unit is shut
down due to a detected fault.
All information regarding the existing alarms (current and
past alarms) can be found in the Alarm menu.
Alarm menu
Current Alarms
(basic access)
Alarm Historic
(basic access)
Major Alarm
Historic
(basic access)
Reset Alarms
(user access)

8.2 - E-mail notifications

The. control. provides. the. option. to. define. one. or. two.
recipients.who.receive.e-mail.notifications.each.time.the.new.
alarm.occurs.or.all.existing.alarms.have.been.reset..
IMPORTANT: E-mail notifications can be configured only
by Carrier service technicians.
No. Code Alarm description
Thermistor failures
1 15001 Cooler Entering Fluid Thermistor
2 15002 Cooler Leaving Fluid Thermistor
3 15006 Condenser Entering Fluid Thermistor
4 15007 Condenser Leaving Fluid Thermistor
5 15011 Master/Slave Common Fluid Thermistor
6 15012 Circuit A Suction Gas Thermistor
7 15013 Circuit B Suction Gas Thermistor
8 15014 Circuit C Suction Gas Thermistor
9 15015 Circuit A Discharge Gas Thermistor
10 15016 Circuit B Discharge Gas Thermistor
11 15017 Circuit C Discharge Gas Thermistor
30
Viewing alarm information
Date Hour Code Description
• •
• •
• •
•

8.3 - Displaying current alarms

The Current alarms menu may display up to 10 current alarms.
To access the list of currently active alarms
1. Press the Alarm button in the upper-right part of the screen.
2. Select Current Alarms.
3..The.list.of.active.alarms.will.be.displayed.

8.4 - Resetting alarms

The alarm can be reset either automatically by the control
or manually through the touch panel display or the web
interface (in the Reset Alarms menu).
• The Reset alarms menu displays up to 5 alarm codes
which.are.currently.active.on.the.unit.
• Alarms can be reset without stopping the machine.
• Only logged-in users can reset the alarms on the unit.
To reset the alarm manually
1. Press the Alarm button in the upper-right part of the screen.
2. Select Reset Alarms.
3. Set "Alarm Reset" to Yes.
IMPORTANT: Not all alarms can be reset by the user. Some
alarms are reset automatically when operating conditions
•
return to normal.
CAUTION: In the event of a power supply interrupt, the
•
unit restarts automatically without the need for an external
command. However, any faults active when the supply is
•
interrupted are saved and may in certain cases prevent a
circuit or a unit from restarting.

8.5 - Alarm history

Information.regarding.resolved.alarms.is.stored.in.the.Alarm.
history.menu.which.is.divided.into.50.recent.alarms.and.50.
recent major alarms. Alarm history can be accessed through
the.Touch.Pilot.user.interface.or.the.Network.Service.Tool.
To access the alarm history
1. Press the Alarm button in the upper-right part of the screen.
2. Select Alarm Historic or Major Alarm Historic.
3. The history of alarms will be displayed.

8.6 - Alarms description

The following table includes a list of alarms that might appear
on the unit.
Reset type
Automatic, if thermistor
reading returns to normal
As above
As above
As above
As above
As above
As above
Not applicable to this unit
Automatic, if thermistor
reading returns to normal
As above
Not applicable to this unit
Action taken
Unit shuts down
Unit shuts down
Unit shuts down
Unit shuts down
Master/slave operation is
disabled and the unit returns
to the stand-alone mode
Circuit A shuts down
Circuit B shuts down
Circuit A shuts down
Circuit B shuts down
Possible cause
Defective thermistor
As above
As above
As above
As above
As above
As above
Defective thermistor
As above