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12
Cause & Solution of Problem
Problem Number of Cause & Solution
A E.01 on screen (Circuit board is not connected) 1, 2
B E.02 on screen (Electrode is not calibrated) 3, 4, 9
C Reading on screen is not changed 3, 4, 5, 6, 7, 9
D Measuring is difcult because reading is not steady 3, 5, 6, 7, 9
E
The displayed temp. is far different from the actual
temperature. (over ±5℃)
8
NO Cause Solution
1 Faulty circuit board connection Repair the controller
2 Damaged circuit board Repair the controller
3 Damaged electrodes & Electrode’s aging Exchange electrode
4 Shortage of Electrode solution Supplement of internal liquid
5 Faulty connection of controller’s terminal Connecting terminal after removing obstacle
6 Fault of liquid to be measured Exchange the measuring liquid
7
The uid velocity of liquid to be measured is
not steady
Makes the uid velocity steady
8 Fault of temp. compensation circuit Exchange temp. compensation PCB
9
Damaged electrode membrane & electrode
membrane’s aging
Exchange electrode membrane
Caution
•
If the product is reconstructed arbitrarily or the undesignated parts are used into the product,
CHEONSEI will not warrant and CHEONSEI is not responsible for any expense caused by accident
or trouble.
Warranty period is one year from purchase date.
During warranty period, repair or change of pump is free of charge, if trouble or damage of pump due to
design or manufacturing of CHEONSEI.( Consumable parts are excluded)
13
Warranty
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