RIA452 Troubleshooting
Endress+Hauser 43
9.2.2 Incorrect entries
9.3 Spare parts
G09-RIA452ZZ-09-00-xx-xx-000
Fig. 22: RIA452 spare parts
E 210 Pulse output, pulse buffer
overflow
A maximum of 10 pulses are
buffered
Set the parameters of the
pulse output in such a way
that the maximum
frequency is not exceeded
E 221 Pump error, digital input 1
Relay goes to failsafe mode
Acknowledge error via
operation or switching
power on/off
E 222 Pump error, digital input 2
E 223 Pump error, digital input 3
E 224 Pump error, digital input 4
E 290 Number overshoot due to
decimal point shift
Decimal point position
cannot be altered
Check decimal point position
and number range
The errors listed above can be evaluated with a relay in the "Alarm" and "Alarm
inverse" operating mode.
Error code Description Reaction at device
E 290 The number of digits after the decimal point
cannot be increased due to number overflow
of the dependent parameters.
Error code is shown on the display until a key
is pressed.
Error code Cause Effect Remedy
Item No. Name Order No.
1 Housing front RIA452X-HA
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