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Chapter 5. Inspection and Fault Detection
5–1 Inspection
Daily inspection is important and will ensure the safety of operation. Inspection
should include "emergency stop" and other safety devices and functions. If there is
any doubt, operation must be stopped immediately and problems must be solved
before resume of operation.
5–2 Fault Detection
5-2-1 Transmitter Malfunction Detection
If the LED light on the transmitter is fast flashing in red, then there must be the
causes as follows:
1.
Some of the push buttons are jammed or stock.
2.
EMS button has not been released.
3.
Fail to follow the correct Power-On procedure.
5-2-2 Receiver Malfunction Detection
This receiver is equipped with simple self-diagnostic circuits and indicators.
During the operation, self-diagnostic circuits will indicate the corresponding lights
if any malfunction is detected. Operator must understand the malfunction signals
and notify the maintenance personnel. Malfunction Type and indicator are listed as
follows:
G1
R1
G2
R2
Malfunction Type
On
MCU1 Fault
Blink
Simultaneously
with R1
Blink
Simultaneously
with G1
Main (EMS) Relays Fault
Blink
Alternately
with R1
Blink
Alternately
with G1
Relay Driver Buffer Fault
Blink
Some of the Relays are
Jammed
