Cincinnati Sub-Zero ZP Series, Installation, Operation & Maintenance Manual

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MAINTENANCE WITH Q & A
68
VISUAL INSPECTION
Visually inspect the chamber according to inspection procedures in Table 5-3.
ITEM INSPECT FOR
Chassis Deformation, dents, punctures, badly worn surfaces, damaged connectors,
damaged fastener, worn door gasket, devices, or damaged handles. Inspect for
corrosion and damage to finish.
Electrical panel Cracked, broken, or charred terminal insulation; case damage; body damage;
loose, broken, or corroded terminal studs, lugs, or leads; lose, broken, or poorly
soldered connections. Inspect for physical damage to forms and adjustment
screws.
Port plugs Check for port plugs sealing the port.
Metal Parts Physical damage to mounting plates, chassis, brackets, nuts, bolts, screws,
washers, handles, fasteners, and hardware.
Plastic parts Signs of cracked or charred insulation, and loose or missing mounting hardware on
plastic parts such as terminal boards, mounting blocks, and insulating members.
Inspect for other abnormalities that might indicate future breakdown.
Wiring Physical damage and charring on open and laced wiring of chassis, terminal
boards, and parts of equipment, by checking insulation. Inspect wires for breakage
and for improper dress.
Table 5-3: Inspection Procedures
TROUBLESHOOTING PROCEDURES
The corrective action procedures in this chapter should be performed if normal indications are not obtained.
Before attempting any corrective action or troubleshooting procedures, always check cable connections for
looseness or damage. Check test equipment switches for proper settings. Follow the corrective action steps
suggested until the problem is corrected or determined to be non-repairable at your level. Contact Customer
Service at (513) 772-8810 between 7:30 AM and 4:30 PM Eastern Standard time, Monday through Friday for
instructions if you are unable to repair the unit.
SYSTEM TROUBLESHOOTING
When experiencing problems with system or unit operation, refer to the following tables for possible diagnoses
and corrective actions. These tables are not intended to be all inclusive; however, they provide troubleshooting
procedures for common problems with the unit. Refer to the manuals found in the Accessories folder on the
digital media for further troubleshooting procedures not found here.
Disassemble unit only to the
extent required for
inspection, repair, or testing.
NOTE