TAC AB, 1998-10-23 0-004-7614-0 (GB), 6:1 (2)
TAC 2413 Handbook Troubleshooting
6 Troubleshooting
TAC 2413 is normally a very reliable controller. If there should
be any problem in spite of this, you may use the following tips for
troubleshooting. If you need further help, please contact your ne-
arest TAC service office.
Problem Check that...
The window is empty • the controller has power
An alarm has stopped the • the alarm has been acknowledged
AHU or reset, please refer to the
section Alarms in Chapter 7
The temperature in the • the AHU is in timed operation and
ventilating system is too low that a holiday program is not
active
• an alarm has not stopped
the AHU
• high current protectors and
power switches are on
• the pump for the heating coil
is running
• the plumbing system is not full
of air and the pressure is normal
• the main pump is running
• the heating source (district
heating or boiler) has the
correct temperature
• heat recovery provides the
normal rise in temperature
• the cooling coil is not
engaged
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