EKOM DK50 2x4VR/110/M, User Manual

Page: 42 / 168

PRODUCT MAINTENANCE
NP-DK50 2x4VR 110-AD-A-1_09-2020 42 09/2020

Visually check if cables are connected to the terminal box.

Check all screw connections of the green-yellow PE grounding conductor.
Checking the operating condition of the AD dryer

Check the service indicator and alarms on the display screen as specified in Chapter 17 and
schedule service or repairs as needed.

Only a service technician is permitted to modify program parameters using the cursor buttons on
the LOGO! module and only after a password is entered.

The operator may monitor the individual values on the display but has no access to the
parameters of the program.
Indication of an upcoming or expired service interval
Configuration of a new service interval
Press ESC + ► together and hold for 10 seconds to reset the service interval. Once complete, the
display returns back to the home screen.
The SET UP function for a new service interval is only functional if the dryer indicates an upcoming
service interval or that a service interval has expired. Once complete, the MAINT counter increases
(number of completed service operations) by one. See the screen: Counters.
Information screens
– version AD500 S
Information screens are activated by simultaneously pressing and holding down the ESC key and
cursor buttons.

ESC+◄- “COLUMNS TIMING” screen
- Information about the defined valve cycling
times
- INLET_A(INLET_B)
– duration of the
adsorption phase (half-cycle) for chamber A
(chamber B)
- PURGE_A(PURGE_B)
– duration of the
regeneration phase for chamber A (chamber
B)

ESC+▼ – “COUNTERS” screen
- Information about counters, the number of
times service has been performed and the
number of times the solenoid valves have
been activated
- MAINT
– number of service operations
- VALVE
– number of times the solenoid valves
have been activated (the number displayed
indicates the number of times the Inlet_A inlet
valve into chamber A has been activated)
- Version
– software version