MAGUIRE LPD-30, Установка, эксплуатация и обслуживание

Страница: 82 / 127

Maguire Products, Inc.
Edition: November 5, 2010
82
LPD Dryer
®
*** ERROR ***
CONVEYER
Problem:
Receiver did not satisfy the level sensor on the last attempt. Controlled by
the receiver level sensor.
Solution:
Check for proper receiver operation. Check for proper receiver vacuum.
Check receiver sensor, calibrate if necessary. Possible filter clogged.
Possible filter box cover plate not closed properly.
TARGET TEMP TOO HIGH
Problem:
The Thumbwheel switch setting exceeds the maximum allowable
temperature as defined by the MAX parameter.
Solution:
Re-adjust Temperature Thumbwheel. Verify MAX parameter value.
TARGET TEMP TOO LOW
Problem:
The target temperature is set below freezing (32F or 0C).
Solution:
Re-adjust Temperature Thumbwheel.
*** ERROR ***
CANISTER NOT FOUND
Problem:
There is NO canister under the fill valve, or the bottom disk is missing in the
canister. Controlled by the safety switch under the heat station.
Solution:
Check that canisters are properly installed. Check that bottom disk is
installed in all canisters. Check Air Pressure, set to 80 psi with vacuum
generator engaged.
*** ERROR ***
CYCLE TIME
Problem:
The level sensor under the dispense (front) canister is uncovered (canister
empty) before the cycle time is complete.
Solution:
Possible material demand exceeds Cycle Time. Re-adjust to a shorter
cycle time or reduce material demand.
*** PROBLEM ***
NO HEAT RISE
Problem:
There has been a drop in temperature in spite of a request by the software
to increase the temperature and sufficient time for the increase to take
place. Controlled by the HFT parameter.
Solution:
Check for clogged air filter. Check for open (tripped) heater circuit breaker.
Possible defective temperature sensor. Possible defective heater.
*** ERROR ***
FAIL SAFE ALARM
Problem:
Potential overheat condition in cabinet causing one or more heat snap
disc(s) open.
Solution:
Possible blower overload condition. Check for clogged air filter. Check for
open (tripped) blower circuit breaker. Check integrity of internal heater
hoses (heat blowing into cabinet).