11 What Happens If …?
11.2 Possible situations when creating circuit diagrams
334
Control Relay easy800
11/11 MN04902001Z-EN
www.eaton.com
11.2 Possible situations when creating circuit diagrams
Possible situations
when creating circuit
diagrams
Explanation
Remedy
Cannot enter contact or
relay in circuit diagram
easy800 is in RUN mode
Select STOP mode
Time switch switches at
wrong times
Time or time switch parameters not correct
Check time and parameters
Message when using a
memory card PROG
INVALID
easy800 memory card contains no circuit
diagram
Change easy800 type or the
circuit diagram on the memory
card
Circuit diagram on the memory card uses
contacts/relays that easy800 does not
recognise
Power flow display does
not show changes to the
rungs
easy800 is in STOP mode
Select RUN mode
Association/connection not fulfilled
Check and modify circuit
diagram and parameter sets
Relay does not activate coil
Incorrect parameter values/time
Analog value comparison is incorrect
Time value of timing relay is incorrect
Function of timing relay is incorrect
Relay Q or M does not
pick up
Relay coil has been wired up several times
Check coil field entries
Input not detected
Loose terminal contact
Check installation instructions,
check external wiring
No voltage to switch/button
Wire breakage
easy800Input is faulty
easy800 replace
Relay output Q does not
switch and activate the
load
easy800 is in operating mode STOP
Select RUN mode
No voltage at relay contact
Check installation instructions,
check external wiring
easy800 power supply interrupted
easy800circuit diagram does not activate relay
output
Wire breakage
easy800relay is faulty
easy800 replace