Service Kit Parts Installation
Page 6 June 2018DSY-UM-02582-EN-04
Replacing the Display Board
Service Kit Number B300-106 for the Explosion-Proof display contains:
• One explosion-proof display PCB, PN B300024
• Five screws, Phillips tri-shank, #4-20 × 1/4, zinc/steel, PN B300113
1� Grasp the enclosure cover and turn it counter-clockwise until it separates from the
enclosure body� Set the cover aside�
2� Remove the TOTAL FLOW RESET key from the display housing by pulling it straight out�
Set it aside�
3.6 VOLTS
+
TADRAN
LITHIUM
INORGANIC
BATTORY
J1
S1
Menu
S4
Enter
S3
Up
S2
Down
COM
1
2
12
1
Thumb Screws
COM
1
2
Total Flow
Reset Key
3� Loosen the two thumb screws and slightly turn the circuit board assembly far enough
to access the battery connector�
4� Press the tab on the battery connector plug to release it from the P2 battery
connector socket�
5� Remove the 4 screws holding the CPU board�
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