EKOM AD2250, User Manual

Page: 32 / 92

OPERATION
NP_AD500-2250-1_01_2020 -32- 01/2020
Indication of a high dew point

Exceeding of the pressure dew point setpoint value
PDPZ (-
20°C / -40°C, or other customer-defined
value) is indicated by the display being backlit in
red and the messages: “DEW POINT LEVEL TOO
HIGH” and “CALL SERVICE”

PDP
– pressure dew point level
Indication of a dew point sensor malfunction

A malfunction of the dew point sensor is indicated
by the display being backlit in red and the
messages: “DEW POINT SENSOR FAILURE” and
“CALL SERVICE”.
- SHORT
– short circuit
- BREAK
– open circuit
20.3. Venting pressure from the equipment using the display screen
Press ESC+▼ in the display screen to vent pressure from the equipment.

First, turn
off the compressed air source. Then press and hold ESC+▼, which will open all the
solenoid valves (inlet and regeneration) for 10 seconds and vent the pressure from the
equipment and connected pneumatic circuits and components that are not separated from the
equipment by a non-return valve.