Johnson Controls T7600 - Troubleshooting and Product Information; Alarm Code Descriptions; Compliance, Warranty, and Terms

T7600
P/N 24-85784-00151 Rev. F Issue Date: 10 2020
ALARM CODE DESCRIPTION
Item Code Description
1 E1 Internal sensor shorted warning. Valves and fan are shut off when error is active.
2 E2 Internal sensor opened warning. Valves and fan are shut off when error is active.
3 HI High temperature warning. Room Temperature >55°C (>131°F)
4 LO Low temperature warning. Room Temperature <0°C (<32°F).
5 E3 Remote sensor shorted. Active with 2 pipe autochangeover configuration.
6 E4 Remote sensor opened. Active with 2 pipe autochangeover configuration.
7 E5 Dew point risk warning. Valves and fan are shut off when error is active.
•
icon is visible when TiO2/Esp command is active
•
icon ash when lter alarm is active
•
COM
symbol will ash during MODBUS communication fault
Note
• Terminal blocks changes depending on the application selected, please check the table beside rst
• The relay output are line voltage, they are connected with Terminal “L” internally
• The digital input “OCC” can assume different meaning depending on parameter 17 setting
• Thermostat autodiscover Remote Sensor presence, its functionality is depending by P25 and P16 parameters
• Push the Fan button for 3 seconds to unlock the keypad, then congure parameter 14 to cancel the keypad lock function.
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