Casella CEL Apex personal sampling pumps - Manual (Page 37)

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8. SERVICING
All servicing on I.S. versions MUST be undertaken by returning the unit to the Casella
CEL Service Department.
Casella CEL’s in house service department offers a comprehensive range of repair and calibration services,
designed to effect a fast and efficient back-up for all our products. The Service Department is operated
under the scope of our BSI registration for products manufactured by us. We will however, undertake the
repair of other manufacturers equipment.
For further information please contact our service department at our Bedford headquarters. We will be
happy to provide quotations for individual repairs or provide annual maintenance under contract.
We recommend factory service by technicians trained and equipped to repair your instrumentation. Should
you wish factory repair assistance, send your equipment in a package equivalent to the original packaging.
Insure to full value and ship pre-paid. Include a letter giving full details with your packing list and send to the
Casella CEL Service Department at Bedford.
For service outside the United Kingdom, please return to our appointed distributor.
8.1
Maintenance
Your Apex Personal Air Sampling Pump is designed to provide long and reliable service. Routine
maintenance is minimal.
¤ Make sure the battery pack never stays in a discharged condition.
¤ Keep the instrument body clean and free from dirt.
¤ DO NOT operate without a filter connected to the inlet. Ingested dirt and dust particles may cause
internal damage, malfunction or erratic flow.
¤ DO NOT unplug the connector lead when changing cells in the emergency dry cell battery pack .
8.2 Fault Finding
The following table outlines some possible fault conditions.
Symptom Fault Suggested Remedy
Failure to switch ON Battery not charged.
Does the red charger
LED come on ? Check that the battery is plugged in internally,
Clean the battery connectors on the Apex unit,
Clean the battery connectors on the charger,
Push the Apex unit firmly into the charger.
Charger fault - return for repair,
Keypad fault - return for repair.
Software locked up ? Disconnect the battery for a minimum of 20 minutes, then reconnect. If this fails, return for repair
Pump runs fast Control error Damaged flow pressure sensor - return for repair,
Water ingress - clean or return for repair,
Tubes to sensor squashed or damaged - return for repair,
Electrical fault - return for repair,
Calibration error - perform fundamental calibration in Config Mode.
Poor control response,
Non-repeatable flow
settings Leakage Contamination or damage to valves
- return for repair
Check all connections,
If internal leakage is suspected - return for repair.
8.3 Ordering Information
182000B Apex Personal Air Sampling Pump.
182150B I.S. Apex Personal Air Sampling Pump conforming with both ATEX and UL standards.
182063B Apex Pro Programmable Personal Air Sampling Pump.
182160B I.S. Apex Pro Programmable Personal Air Sampling Pump conforming with both ATEX and
UL standards.
182170B Apex Lite Standard with alkaline cells
182180B Apex Lite Pro with alkaline cells
182091A Pump Manager Kit, which includes Infrared Communication Transducer that uses existing
Windows software.
182073B Spare Rechargeable Battery Pack for non-I.S. versions.
182013C Spare I.S. Rechargeable Battery Pack for I.S. versions.