ITW Dynatec c. 2004
DYNAMINI ASU Manual #20-25
Page 7-7
Revised 1/05
Hopper does not heat,
and LED is OFF.
Hose (or Head) is not
heating.
Hose
(or
Head) LED on the
PCB is ON.
Hose (or Head) is not
heating.
Hose
(or
Head) LED on the PCB
is OFF.
Hose (or Head) actual
temperature is much
higher than setpoint.
Problem
Possible Cause
Solution
1. Inoperative Control PCB.
1. Disconnection between
ASU and Hose (or
between Hose and Head).
2. Hose (or Head) fuse(s) on
the PCB is inoperative.
3. Loose plug connection on
PCB.
4. Heating element inopera-
tive.
1. Inoperative PCB.
2. Sequential Startup is
active.
1. Inoperative Hose (or
Head) triac on PCB
(corresponding PCB LED
is OFF).
2. Inoperative Hose (or
Head) temperature sensor
(corresponding PCB LED
is ON).
1. Replace PCB.
1. Check plug connections.
2. Insert new fuse(s). If fuse blows
again, check for a short circuit in
heater.
3. Check connectors X8 and X11
and restore connection.
4. Check resistance and compare to
resistance table.
a. For head: if heater cartridge
is inoperative, replace heater.
b. For hose: if heating element
is inoperative, replace hose.
1. Replace PCB.
2. Wait until hopper has reached
setpoint or re-program the heat-up
mode (see pg. 5-6).
1. Replace PCB.
2. Check resistance and compare to
resistance table.
a. For head: if sensor is
inoperative, replace sensor.
b. For hose: if sensor is
inoperative, replace hose.
Fuses:
F2 & F9 = Hose 1
F3 & F10 = Head 1
F5 & F12 = Hose 2
F6 & F13 = Head 2
Содержание DYNAMINI
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