Honeywell AC-220-7, AC-140-7 Summary Menu, Troubleshooting, Errors and Diagnostics, Error Message

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T775A/B/M SERIES 2000 CONTROLLER

SUMMARY MENU

The Summary menu provides the ability to view the schedule (E1 and E2 times) for each relay for each day of the week.

NOTE: Scheduling must be enabled for the Summary menu to display. Enabling the schedule is determined in the Setup process for the Output Options (see page 24).

MENU

 

 

 

MENU

 

 

 

 

 

SUMMARY

 

 

 

SUMMARY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MONDAY

 

RELAY 1-2

E1: 06:00AM (72)

E2: 06:00PM (65)

M24545

Fig. 77. Summary Example - Monday Settings.

For each relay, the Summary display indicates the time and temperature (in parenthesis) for each of the two scheduled events E1 and E2.

1.Press the MENU button to view the menu.

2.Use the S and T buttons to highlight SUMMARY.

3.Press the X button to display the Summary settings.

4.Use the X button to scroll forward through each day of the week (Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday).

5.While viewing a specific day, use the S and T buttons to cycle through the individual relay schedules for that day.

When finished, press the home key to return to the home display screen.

SUMMARY MENU

TROUBLESHOOTING

Power Loss

The date and time settings are retained for 24 hours after a power outage. After a power loss of more than 24 hours, the date and time settings may need to be reentered. All other settings are stored permanently.

Errors and Diagnostics

The controller provides an error message and diagnostic status as described below.

Error Message

There is a two-character error code that displays in response to controller software problems:

EE

EEPROM Failure — The values read back from the EEPROM are not the same as written into the EEPROM. This error cannot be field repaired. Replace the device.

Diagnostic Messages

There are two diagnostic messages that can display in response to sensor problems. The diagnostic codes that can flash on the display are:

– –

Sensor Open or Shorted — Two dashes display when a sensor (typically temperature) is open or shorted. An open circuit is considered anything greater than 1570 ohms (greater than 300F), shorted anything less than 770 ohms (less than -73F). Which- ever stages are operating with this sensor cease to control (meaning relays go to OFF and proportional outputs go to zero percent).

This message can also mean that the sensor is pro- grammed, but not physically connected.

-60°For 270°F (-51°C or 132°C) Blinking

Temperature Out of Range — The temperature display blinks when the sensed temperature range is outside of the display range, below -60°F(-51°C) or above 270°F (132°C). The displayed value remains at that displayed limit and control continues. Controller continues to function unless an open or shorted state is detected.

Blinking relay status

Relay Minimum Off Time is Active — On the home screen, each relay’s indicator („) blinks while the relay’s minimum off time is active.

62-0254–03

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Contents FP-4 Freeze Protection KIT Section IntroductionInstallation SectionInstalling the Conduit Section Installation Control BOX Component Layout and Wiring DiagramSetting the Controller OperationSection Troubleshooting Troubleshooting ProceduresSection Replacement Parts Replacement PartsSection Warranty PER VAN AIR Terms and Conditions of SaleProduct Description Temperature Sensorsa Controller DimensionsAccessories Wiring Before InstallationInstallation and Setup MountingTemperature Sensor Wire Type and Size Wiring Connections AccessTemperature Sensor Wiring Multiple Parallel SensorsController Wiring Controller Wiring MethodDescription of Wiring Terminal Connections Terminal Label Wiring Applications ExamplesController Wiring Details Connection Terminal Label Description SensorsWiring for four-stage control 24 Vac input 24 Vac load Wiring for ML7984 valve actuator Wiring for three Series 90 Modutrol Motors Checkout Power LossTemperature Sensor Calibration Foota MΩ/ft Rating 200 ft 500 ft 000 ftUsing the LCD Panel Interface Interface OverviewHome Screen Setup Menu Accessing the MenusUsing the Menus Programming, Scheduling, and Summary MenusProgramming Heating Mode Setpoint and DifferentialCooling Mode Setpoint and Differential Setpoint and DifferentialEntering Program Mode Programming the T775A/B/M ControllerProgram Menu for Outputs Differential or Throttling Range SensorHEAT/COOL Exiting Program Mode SetbackProgram Next Output Mod or Relay Entering Setup Mode Setup Advanced OptionsSetup Procedure Setting up the SensorsCalibrate the sensor Sensor aUnits F or C Label the sensor inputCalibrate Exit Sensor a SetupSensor B LabelHI Limit or LOW Limit Sensor B only Limit Sensor B onlySetting up the Outputs Setting up the Modulating OutputsThrottling Range Sensor B only Type of output signal MIN OUT %Integral Schedule ExitOptions USE SchedMIN OFF minimum off time for all relays DI Options digital input optionsShow RT show run time hours Exit Options Setup Setting up the RelaysType standard or floating Floating Relay Menu Reset RT run time hours Derivative modulating/floating relay onlyExit Setup Mode Setup Outputs Relay ExitEntering Schedule Mode SchedulingCreating a Schedule SET Time SET DateDaylight daylight saving time Setting Individual Schedules Mon-Fri Schedule Defaults1. E1 Setpt setpoint for event 2. E1 Time time for event Exiting Scheduling ModeExit exit from selected time period settings 3. E2 Setpoint setpoint for eventError Message TroubleshootingErrors and Diagnostics Diagnostic MessagesImmunity Compliance Safety ComplianceEmissions Compliance FCC Compliance StatementDOC T775A/B/M Series 2000 Controller

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