Autopilot APCEPH1 Manuel d'instruction - Page 8

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INSTRUCTION MANUAL
Manual Dose – test
The user can manually test the dosing system by pressing Enter TWO TIMES. After
pressing Enter the first time, the display will read: press enter to test dosing.
Pressing Enter will force the dosing pump to activate. The dosing timer and the mixing
timer will cycle one time. When the test is complete, the unit resumes normal operation.
error resettinG
If an error needs to be reset, holding the Enter button for 3 seconds will reset any fault.
error CoDes anD trouble-shooting
There are several error conditions that the unit will monitor. If an error is detected, the
unit will alert the user to a problem. If there is an error detected, the backlit LCD display
will be flashing on and off and the output to the dosing pump will be disabled.
pH sensor reaDinG "frozen" for More tHan 48 Hours
If the sensor reading does not change by at least 0.01 pH in a 60-hour period, there could
be something wrong with the sensor, or the sensor input. The user should check the
calibration and function of the pH sensor.
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teMp sensor reaDinG "frozen" for More tHan 48 Hours
If the sensor reading does not vary by at least .5 degree F in a 48 hour period, there could
be something wrong with the temp sensor, or the sensor input.
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if pH reaDinG is Below tHe MiniMuM settinG
If the unit reads a pH level below the minimum pH setting selected by the user, there
could be something wrong with the sensor, the unit itself, the strength of the pH
adjustment or even an empty reservoir. The user should check the calibration and
function of the pH sensor.
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