Condec UPC5210 - Manual (Page 17)

14 UPC5200/UPC5210 Operation and Maintenance Manual
4.0 Maintenance & Service
This section outlines the mechanical and basic electrical repair procedures for the UPC5200/UPC5210.
4.1 Troubleshooting
Use Table 4-1 below for information on troubleshooting the UPC5200/UPC5210.
4.2 Maintenance & Service Procedures
The repair procedures cover the major components and sub-assemblies which are critical to the proper
functioning of the calibrators and that need periodic maintenance over the life of the unit.
Only those persons who are formally trained as skilled technicians should attempt to repair these units.
Although some mechanical sub-assemblies could be replaced without venting cylinder it is not
recommended. All safety precautions should be observed due to the presence of electrical and
high-pressure components. Unit must always be unplugged from power source.
Symptom Problem Remedy
Display does not light up. Unit will not energize. Check fuse, check power source, check
power switch.
Display slowly decreases over time. Leak in system. Check all compression and pipe fittings
with Snoop®, bottle of liquid leak gas
detector (PN 64781).
Display does not respond when Vernier
knob is turned. No Vernier control. Readjust isolation valves on Orion;
replace O-ring on Vernier piston.
Display increases or decreases when
COARSE (Pressure) or VENT valves are
closed. No Pressure or Vent control. Replace valve seats or O-rings in valves;
check valve needles.
Unit does not stay in CAL, display shows
"o", display reads a high value @ zero
PSIG. Transducer over-pressurized. Replace transducer.
Display does not show zero. Display will not zero. Perform a ZERO/SPAN calibration.
Display shifts, will not be steady. Transducer drifts or Possible over
pressure. Replace transducer.
Unit does not cycle when Pump Control
switch is on. Fuse blown on Pump Control Board.
No power.
Replace fuse.
Check that power is on.
Unit cycles, but does not pressurize. Debris in check valve seat in intensifier,
deformity in seat.
No supply pressure.
Remove seats in intensifier and clean
and/or replace.
Check to see if there is sufficient supply
pressure.
Table 4-1. UPC5200/UPC5210 Troubleshooting
!
Caution