TCM260904 Rev 0.1
TCM260904 Page 4 of 31
PRECAUTIONS
Operating in an industrial facility is highly dangerous; therefore, operator must have adequate training in using TELECRANE
with this in mind.
Those who operate the machine should be healthy and have good judgment in regards to safety.
Although the F21 transmitter is very durable and weather resistant care should be taken not to expose it to severe impact or
pressure.
During operation, if the power supplied from transmitter’s batteries is insufficient, the transmitter will send out EMS signal
first to de-energize all of motion relays inside the receiver to stop crane’s moving (Notice: the motions which are set as
”Bypass EMS” will continuously move.), and then the LED indicator and buzzer on transmitter will light and sound
continuously. At this time, they need to be replaced with AA size alkaline batteries. All four batteries should be replaced at the
same time. Don’t use manganese-zinc batteries because of their corrosive properties.
If the severe interference occurs you should stop using the equipment at once.
The standard voltage of rechargeable nickel-cadmium battery is 1.2 volts with capacity 500-800 mAH. When they are used in
F21 system, the operating time will be shorter.
Please take the battery out when the equipment will not be used for a long time.
Be sure to know the “Procedures of emergency” in case of emergency.
PROCEDURES OF EMERGENCY
The F21 system has various protections to guard against different emergencies including strict security code checking and
automatic monitoring of parts failure. The F21 system has isolation circuitry to protect from outside voltage surges and
interference. In the event of sensing an emergency situation the F21 will perform an emergency stop of the equipment. It is
important to properly install the F21 system so it can perform the emergency shutdown properly.
In case of an Emergency, please follow the steps below and ask the distributor for service immediately.
(1) Press EMS button.
(2) Pull the magnetic key out of the transmitter. If transmitter’s power is controlled by “rotary key switch”, then
you need turn the key to “OFF” position to remove it.
(3) Switch off the main power of crane.
(4) Advise the distributor to find out the reason.
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