Section 3 – Operating Instructions
22
3.9
easy
CHEM
770
Display Messages
The
easyCHEM 770
features a user-friendly text display. As well as showing the ORP, pH and
Temperature readings, it is also used to provide status and alarm messages, as per the following
example.
Alarms are accompanied with a beeper. The meanings of the messages are detailed below…
Status/Alarm Message
Meaning
OK
Reading is within Set Point and no chemical dosing is required.
Add
Reading is outside Set Point and chemical is being added.
Wait
Unit is in “Wait” cycle, waiting for dosed chemicals to mix before
adding more chemical.
WAIT
Pool Pump has just been switched on.
easyCHEM 770
will wait for
20 seconds to stabilise.
WaiT
After Super-Chlorinating, unit will not add Acid until the ORP
Reading drops below the Set Point even if the pH is High.
Stby
Unit is in Standby mode. No dosing of chemicals will occur. See
section 3.3.
sOFF
Emergency ShutOFF timer has been tripped. See section 6.2.
OFF
Dosing Pump is off-line, due to “0 secs” of ON time being set. See
section 6.3.2.
OFF
+
OVR
for reading
Dosing Pump is off-line, due to the reading being Over-Range.
Alrm
Reading is outside the Alarm margin. See section 6.4
PUMP
Dosing Pump High Current Error. See section 4.3
Waiting for Pump
Re-Start Time
Whenever the pool pump is switched off by the
easyCHEM 770
,
the unit will wait a minimum of 10 seconds before switching it back
on. If any function is used less than 10 seconds after the pool pump
was last switched off, this message is displayed.
Calibration Due
See Handbook
The
easyCHEM 770
provides a reminder to calibrate the sensors
every 3 months. Refer to “Section 5. – Sensor Calibration” for
details on calibration. Going through the calibration procedure
clears this message.
Lube Pump Tubes
See Handbook
The
easyCHEM 770
provides a reminder to lubricate the Peristaltic
pump squeeze tubes every 12 months. Refer to section 4.1 for
details on lubricating the pump squeeze tubes and how to clear this
message.
