Heavy Duty Balanced Opposed Compressors - Ariel Corporation

Section 2 - Instrumentation For Models: JGH:E:K:T
1. RESET 1 - Proflo processor unable to determine if the EEPROM contains valid configuration
information. Reset 1 usually occurs after a RESET 3 occurs. Upon reboot, the Proflo loses stored
and configuration data; programmed information must be reentered.
2. RESET 2 - Proflo processor unable to determine storage of any data or location for next data.
Upon reboot, the Proflo loses stored data, but retains configuration data; programmed information
need not be reentered.
3. RESET 3 - Internal Proflo fault. The Proflo processor tried and failed three resets. The most likely
cause is failure to write to the EEPROM. To try to correct the problem:
a. Remove Proflo batteries.
b. Press SET button for 45 seconds to discharge internal capacitors and ensure a complete
reset.
c. Re-insert batteries to reboot the Proflo.
• If the error was a one-time problem, the Proflo reboots as normal.
• If diagnostics detect an error on reboot, the Proflo displays a constant RESET error again.
Replace the Proflo and contact Ariel Corporation. Sometimes on reboot, the Proflo flashes
RESET. This is normal.
NOTE: Moisture on Proflo circuitry causes most reset errors. Several design precautions
keep moisture from the circuit board:
• The Proflo housing is completely sealed in a low humidity room.
• There is a desiccant pack in the circuit board chamber.
• The circuit boards have a protective conformal coating.
Proflo Battery Replacement
The Proflo formerly used alkaline batteries. Sometimes, alkaline batteries leak, release acid, and
corrode the battery compartment, and their service potential diminishes at extreme temperatures.
The Proflo now uses Lithium batteries, which provide superior leakage resistance, greater service
advantage at temperature extremes, and longer shelf and service life. Ariel highly recommends AA
Energizer Lithium/FeS2, model L91 batteries to reduce maintenance costs. This is a true Lithium
battery, unlike several other brands.
While not recommended, use replacement alkaline batteries only when Lithium batteries are
unavailable. Component damage due to battery leakage is not normally covered under warranty.
Front cover removal voids the warranty, except on older Proflo monitors made prior to 3/2003 where
batteries may be located under the front cover.
CAUTION: Explosion hazard! Disconnect/lockout electrical power to control circuits
before battery cover removal. Power connected to the Proflo presents a potential of fire,
electrical shock, personal injury, or death. Change batteries only in a non-hazardous area.
Earlier Proflo models use a front battery access cover while later models use a rear access
cover to reduce potential risk. Disconnect power to Proflo to replace batteries regardless
of battery access location
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