Johnson Controls T7200 Installation Manual page 9

Lcd digital thermostat
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T7200
ALARM CODE DESCRIPTION
Item
Code
Description
1
E1
Internal sensor warning.
2
HI
High temperature warning. Room Temperature >55°C (>131°F)
3
LO
Low temperature warning. Room Temperature <0°C (<32°F) or internal sensor opened.
4
E5
Dew point risk warning. Valves and fan are shut off when error is active.
5
E3
Remote sensor closed. Active with 2 pipe auto-changeover configuration.
6
E4
Remote sensor opened. Active with 2 pipe auto-changerover configuration.
1
icon is visible when TiO2/ESP command is active
2
icon flash when filter alarm is active
3 While connected to the remote sensor, the E1 will disable. While the E1 alarm is disabled, the T7200 fan stops and the valve closes.
P/N 24-85784-00186 Rev. C Issue Date: 01 2020

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