What to do if my Johnson Controls Controller displays Calibration Corrupt?
If your Johnson Controls Controller displays 'Calibration Corrupt', it means factory calibration data is lost or not installed. Order replacement units and return the affected devices to Johnson Controls under the RMA program.
What to do if the Johnson Controls Fan is in Fan Lock?
If your Johnson Controls Fan is in Fan Lock, it means the switch connected to the BI configured for Fan Lock didn't detect airflow within 10 seconds of the fan starting, which shut down control. Here's what to do: 1. Check the equipment to make sure the fan is working. 2. Use an ohmmeter to check the sensor and verify the wiring to the TEC. 3. Reset the fault by going to the menu, selecting Fault Status, and then Fan Lock. 4. If the problem persists, order replacement units and return the affected devices to Johnson Controls under the RMA program.
How to fix an unresponsive touchscreen on a Johnson Controls Fan?
If the touchscreen on your Johnson Controls Fan is unresponsive, it indicates that the touchscreen components have failed to initialize. First, try rebooting the controller. If the problem persists, order replacement units and return the affected devices to Johnson Controls under the RMA program.
What causes the 'Supply Fan Runtime Limit Extended' error on my Johnson Controls Fan, and how do I fix it?
The 'Supply Fan Runtime Limit Extended' error on your Johnson Controls Fan means that the supply fan runtime has exceeded the configured limit. To resolve this, first service the supply fan, then reset the supply fan runtime.
What to do if my Johnson Controls Fan reports a USB malfunction?
If your Johnson Controls Fan reports a USB malfunction, it means a USB drive has malfunctioned and drawn more current than allowed. Try inserting the USB drive again. If that doesn't work, try a new USB drive. If the problem persists, order replacement units and return the affected devices to Johnson Controls under the RMA program.
What to do if my Johnson Controls Controller displays Supply Fan Runtime Limit Extended?
If your Johnson Controls Controller displays 'Supply Fan Runtime Limit Extended', it means the Supply Fan Runtime has exceeded the configured Supply Fan Runtime Limit. To resolve this, service the Supply Fan and then reset the Supply Fan runtime.
Why does my Johnson Controls Controller show 'Fan Lock'?
If your Johnson Controls Controller displays 'Fan Lock' and control has shut down, it means the switch connected to the BI configured for Fan Lock didn't sense airflow within 10 seconds of starting the fan. Here's how to address it: First, inspect the equipment to ensure the fan functions. Next, check the sensor functionality with an ohmmeter and verify the wiring to the TEC. Then, reset the fault by going to the menu, selecting Fault Status, and choosing Fan Lock. If the problem persists, you may need to order replacement units and return the affected devices to Johnson Controls under the RMA program.
How do I troubleshoot a 'Remote Zone Temp Fail' error on a Johnson Controls Controller?
To resolve the 'Remote Zone Temp Fail' error on your Johnson Controls Controller, first check the sensor's wiring. If the sensor was intentionally disconnected, reset the sensors through the menu. If the problem persists, order replacement units and return the affected devices to Johnson Controls under the RMA program. This issue typically arises when the external zone temperature sensor is disconnected or has failed.
What to do if the Johnson Controls Fan shows 'Open Window'?
If the Johnson Controls Fan displays 'Open Window', it means the switch connected to the BI configured for Open Window is sensing that the window is opened, and control has shut down. First, close the window to resume control. Then, check sensor functionality with an ohmmeter, and verify the wiring to the TEC. If the problem persists, order replacement units and return the affected devices to Johnson Controls under the RMA program.
Why is the cooling ineffective on my Johnson Controls Fan?
If cooling is ineffective on your Johnson Controls Fan, it means the supply air temperature hasn't decreased below the configured Supply Air Temperature Alarm Offset while cooling has been active for at least the Supply Air Temperature Alarm Delay. Verify that the cooling elements on the rooftop are functioning properly.
Guidelines for selecting the best placement for controller performance.
Step-by-step guide for physically installing the thermostat controller.
Warnings about shock hazards, property damage, and ESD during wiring.
Instructions for wiring terminals and setting the bus end-of-line switch.
Guide for using the USB port for upgrades, backups, and restoring settings.
Lists common faults, their causes, and recommended solutions.
Detailed steps to diagnose and fix specific operational problems.
General| Brand | Johnson Controls |
|---|---|
| Model | TEC3000 Series |
| Category | Thermostat |
| Language | English |
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