Primary Heater - Graco Reactor 2 H-30 Repair Parts

Primary Heater

Heater
Primary Primary Heater
Before performing any troubleshooting procedures:
1. Follow Pressure Relief Procedure, page
Problem
Problem Problem
Primary Heater(s) does not heat.
Control of primary heat is
abnormal; high temperature
overshoots (T4DA, T4DB) occurs
intermittently.
334946H
2. Turn the main power switch OFF.
3. Allow equipment to cool.
Try the recommended solutions in the order given for
each problem, to avoid unnecessary repairs. Also,
determine that all circuit breakers, switches, and
controls are properly set and wiring is correct before
assuming there is a problem.
47.
Cause Cause Cause
Heat turned off.
Temperature control alarm.
Signal failure from RTD.
Dirty RTD connections.
RTD not contacting heater
element.
Failed heater element.
Signal failure from RTD.
Troubleshooting
Solution Solution Solution
Turn on heat zones.
Check ADM for error codes.
Check ADM for error codes.
Confirm RTD cabling is properly
connected and not damaged.
Replace RTD.
Examine RTD cables connected
to TCM. Confirm RTDs are
not plugged into opposite heat
zone. Unplug and re-plug RTD
connectors. Unplug and re-plug
RTD connectors. Ensure RTD tip
contacts the heater element.
Loosen ferrule nut, push in RTD
so tip contacts heater element.
Holding RTD tip against heater
element, tighten ferrule nut 1/4
turn past tight.
See
Replace Heater Element, page
See (T6DA, T6DB), Error
60.
Codes.
45