Envirco BSC - Manual (Page 24)

24
5.4Fault finding hints
Problem Solution
The equipment does not
function
(a) Check power at the electrical outlet into which the
equipment is plugged.
(b) Checkthe following three fuse tubes on the circuit to
determine if they are broken:Zero wire fuse tube F4
12.5A, Fire wire fuse tube F5 12.5A, Transformer fuse
tube F6 630mA
(c) Transformer failure or poor connection with wires cannot
provide normal working voltage
Blower does not function (a) Check the motor
(b) Make sure door is completely closed for UV
(c) Check control panel wiring
(d) Check to determineif fuse tube of blower is broken
Motor hums (a) Replace the motor
(b) Fan speed is set too low
Lights do not
function(fluorescent or
U.V)
(a) The lamp is broken
(b) Some problems with the units on operational panel or
wires.
(c) Replace ballast
(d) Check to determineif the fuse tube of light(F1 2.5A) and
UV lamp( F2 2.5A) is broken
Rattling or scraping noise
from sash motor/blower
(a) Check for debris 、paper、wrappings、etc., and clean up
(b) The blower may have slipped on the motor drive shaft;
replace the blower.
(c) Check the emergency sash stop, ensure it is not pressed
down
Air flow velocity too low (a) Fan speed is incorrectly set
(b) HEPA filters are loaded; check the static pressure monitor
reading.
(c) Supply/exhaust air flow requires balancing.
Glass door motor not
working
(a) Check to determine if the fuse for the motor is blown,
F8 6.3A
(b) Check motor; replace the motor if necessary