Eaton easy500, easy700, Operating Instructions Manual, Page: 208 / 240

7 What Happens If …?
7.2 Possible situations when creating circuit diagrams
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Operating instructions 05/10 MN05013003Z-EN www.eaton.com
7.2 Possible situations when creating circuit diagrams
Possible situations
when creating circuit
diagrams Explanation Remedy
Cannot enter contact or
relay in circuit diagram easy 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 easy memory card contains no circuit diagram Change the version of easy or
change the circuit diagram on the
memory card
Circuit diagram on the memory card uses
contacts/relays that easy does not recognize
Power flow display does
not show changes to the
rungs easy 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
easy input is faulty Replace easy
Relay output Q does not
switch and activate the
load easy in STOP mode Select RUN mode
No voltage at relay contact Check installation instructions,
check external wiring
easy power supply interrupted
easy circuit diagram does not activate relay
output
Wire breakage
easy relay is faulty Replace easy