Safety Devices - Orion RKS250F-S Operation Manual

Name of safety
device
Compressor
Motor protector
High-Pressure
Switch
Temperature
Switch
Fuse
※If any one of the above errors is indicated, the operation signal is turned off and the alarm signal is
output in stead.
If an error not listed in above table, refer to Page 27, "Troubleshooting".
The product operation can be stopped by two or more errors. Thus, you must check the error number
every time pressing the reset switch.

Safety Devices

Product State
Pump
Off Off
Off Off
Off Off
Off Off
Function
Activates when the
temperature of the gas
discharged from the
compressor becomes
excessively high due to
overload. Cuts off the electrical
circuit and stops operation of
the entire product.
This safety function will be
activated if there is an
abnormal rise in refrigerant
temperature due to high
ambient temperature，or
restriction or other trouble with
the fan motor, and will cause
the electric circuit to be cut off
and product operation to stop.
This safety function will be
activated if there is an
abnormal drop in the
temperature of the refrigerant
returning to the compressor
due to the water quantity being
low, or times when pump
operation is not working, and
will cause the electric circuit to
be cut off and product
operation to stop.
If there is an overcurrent
condition in the control circuit,
the control circuit will be cut off,
and the entire product will
shutdown.
15
Corrective
Error Action when
Display safety device
activates
E 01
E 02
Refer to the
"Troubleshooting"
section starting
on page 27
E 04
E 09
None