UPM THM301A Guia de Instalação descarregar pdf (Página 30)

TROUBLESHOOTING GUIDE

PROBLEM SOLUTION

The current temperature is

different from the scheduled

temperature.

- It is common for the setting and the displayed temperature to differ occasionally. The thermostat will

be activated if this difference persists. There is a temporary override by the user.

- The system is on HOLD. Press HOLD once to resume normal setting.

Heating will not come on

(HEAT symbol flashing).

1) Check if the furnace switch and/or pilot flame is turned on; it may have been turned off.

2) Allow some time for the heater to heat up and the fan to activate. Most heaters will heat up

the system for a short while before warm air can be ventilated by the fan.

3) HE/HG jumper inside the thermostat is not set correctly. Check installation guide.

Heating will not come on

(HEAT symbol not flashing).

1) System switch is on the COOL or OFF position.

2) Current temperature is higher than set temperature.

Check current program.

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UPM THM301A Guia de Instalação Página 30