Error Indications; Factory Settings - Velleman VM148 Anleitung

3. ERROR INDICATIONS

4. ACTUAL OPERATION MODE
Press ENTER to display the operation mode of the tempera-
ture controller.
Heating mode: temp° A > temp° B
UnFL – Underflow error: The meas-
ured temperature is lower than the
minimum measurable temperature
(min. temp° = -18°C of 0°F).
OvFL – Overflow error: The meas-
ured temperature is higher than the
maximum measurable temperature
(max. temp° = +60°C of 146°F).
SEnS – Sensor error: Sensor
problem or faulty connection.
Cooling mode: temp° A < temp° B
error indications - operation mode - temperature modification
5. TEMPERATURE MODIFICATION
This handy function allows you to modify the temperature
directly without reprogramming the max. and min. values
(temp° A and temp° B). the limit values will automatically shift
with the temperature modification.
Shortly press UP or DOWN
display the average target temperature.
Temp. A
Temp. B
Repeatedly press UP
target temperature. Example: Set the target temperature to
25°C; temp° A and temp° B will automatically be modified to
26°C and 24°C.

6. FACTORY SETTINGS

Remove the power supply to the module. Hold ENTER
pressed and re-establish the power supply to the module.
DEF (default) will be displayed. Release the ENTER
button. The display will show the firmware version code.
in the temperature display to
Example: temp° A = 22°C,
temp° B = 20°C à target
temperature = 21°C.
Relay on
or DOWN to rise or lower the
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