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Instruction Manual
SECTION 6 - TROUBLESHOOTING
Troubleshooting and repair of the malfunctioning
unit should only be attempted by qualified
personnel using caution to ensure safety and limit
unnecessary damage.
Should an error or alarm condition occur, the
controller will alert the operator by ashing an
‘ERROR MESSAGE’. These messages are
depicted on the following page with a brief
explanation.
6.1 ERROR MESSAGES
NOTE:
Turn system OFF to clear error message.
E 1
E 2
E 3
E 4
E1 = LOW LEVEL SWITCH
E2 = FLOW SWITCH
E3 = ALARM 1: LOW pH (PUMP B)
E4 = ALARM 2: HIGH pH (PUMP A)
E5 = Pump B ‘LOCKOUT’
E6 = Pump A ‘LOCKOUT’
E9 = FAULTY / DISCONNECTED PROBE
E7 = CALIBRATION ERROR
Probe is out of Manufacturer’s Limits
E 5
E 6
E 7
E 9
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