SICK DUSTHUNTER T - Page 527

6. Table of D/L Checkup
● Table of D/L checkup
NO
ITEM
Requirement
Test & Method
Check Cycle
1
MODEM
1. LED Lamp in MODEM
2. Is RX-LEVEL and SQ
fitted to the standard?
RX-LEVEL : – 10dB ~ -7dB
SQ : Over 7
Naked Eye Test.
1. RX-LEVEL is fitted to the
standard, TX-LEVEL is adjusted
from the opposite mode.
2. If SQ is low, check-up
modem circuit.
Occasionally
2
POWER
SUPPLY
1. Any noise or rotation in
cooling fan in the back side
of POWER?
2. Heat generating in
POWER?
Naked eye test / Touching
1. If rotation is abnormal owing
to some kind of foreign body or
dirt is inserted in cooling fan,
clean with air.
2. After expediency, fan is still
malfunction, request A/S.
Every 4 month
3
Communication
Cable
Check 9-pin RS-232
Connector or 25-pin
connector of modem are
installed loosened.
Naked eye test
1. Fasten it using driver.
Occasionally
4
LCD
D/L is in normal operation
but LCD screen is not
displayed?
Naked eye test
1. Check LCD replace cycle,
and request A/S if necessary.
Occasionally
5
D/L
Disassemble D/L and clean
inside with air.
Every Year or
less
7
Condition
1. Check temperature where
D/L is installed.
Temp. : 0℃ ~ 70℃
1. Operate heater in winter, and
cooler in summer.
Occasionally
8
UPS
1. Guarantee Back-up time
of UPS according to
environmental regulations.
2. Check by-pass mode
Set-up.
1. In case Back-up time
doesn’ t fit to the regulation,
check UPS battery and replace
it accordingly.
2. Set-up UPS as Inverter
Mode.
Every 6 month
● With good observation of the above rules, you could use D/L more safe.