Checkout and maintenance
1-15
The balancer is supplied with 110/230 vAC . It is critical to have the proper input voltage in order for the
balancer to operate correctly. The balancer performs a systems check on initial power up. If a problem is
detected the balancer will emit random beeps.
To check power cable:
• Disconnect the power supply from the balancer.
• using a vOm, check for an output voltage at the end of the power plug /- 10%vAC vPI Sys
-
tem III or 110vAC ± 10% vPI System I, II and SOT Low Digital.
To check power to power supply box:
• Remove the weight tray.
• using a vOm check for 230vAC at the power supply board, X41 pins 2&3 all balancers.
CONTROL pANEL REMOVAL & REpLACEMENT
The Digital Display Board is mounted directly to and behind the keypad on each balancer (Figure 3-22).
• using a 4mm Hex Key, remove to (4) screws holding the Display Panel to the upper Display on vPI and
the SOT Low Digital is held in place with velcro. gently pry the display forward.
• To remove the Display Board unplug the membrane panel and simply remove the (4) 8mm nuts holding
it onto the backing plate.
• Once the keypad is removed from the backing panel it cannot be reused. The keypad can be removed
by gently peeling back at a corner. If a keypad is suspect for replacement, it is suggested testing a new
keypad before replacement.
sERVICINg THE BALANCER
NOTE: BEFORE OPENING THE MACHINE FOR SERVICE, DISCONNECT ELECTRICAL SUPPLY
LINE AND USE THE LOCKOUT / TAGOUT PROCEDURE.
!
DANgEROUs HIgH VOLTAgEs ARE
pREsENT IN THIs EQUIpMENT
Summary of Contents for EEWB304B
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