Troubleshooting
313540L
19
Primary Heaters (A and B)
Before performing any troubleshooting procedures:
1. Relieve pressure, page 28.
2. Turn main power 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 con-
trols are properly set and wiring is correct before assum-
ing there is a problem.
PROBLEM
CAUSE
SOLUTION
Primary heater(s) does not heat.
Heat turned off.
Press
or
zone
keys.
Temperature control alarm.
Check temperature display for diag-
nostic code, page 10.
Signal failure from thermocouple.
sor (FTS) or thermocouple discon-
nected
Control of primary heat is abnormal;
high temperature overshoots or E01
error occurs intermittently.
Dirty thermocouple connections.
Examine connection of thermocou-
ples to long green plug on heater
control board. Unplug and re-plug
thermocouple wires, cleaning off any
debris. Unplug and re-plug long
green connector.
Thermocouple not contacting heater
element.
Loosen ferrule nut (N), push in ther-
mocouple (410) so tip (T) contacts
heater element (407). Holding ther-
mocouple tip (T) against heater ele-
ment, tighten ferrule nut (N) 1/4 turn
past tight. See page 39 for illustra-
tion.
Failed heater element.
See Primary Heaters, page 19.
Signal failure from thermocouple.
sor (FTS) or thermocouple discon-
nected
Thermocouple wired incorrectly.
See
sor (FTS) or thermocouple discon-
nected
, page 12. Power up zones
one at a time and verify that tempera-
ture for each zone rises.
A
B
Содержание Reactor H-VR
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