Instruction Manual
MAN-001
22
www.macmedical.com
Troubleshooting
The following alert messages and operating conditions will occur when the warming cabinet is operating
outside of acceptable conditions.
Overheat Alarm (HI) Condition
When the cabinet temperature exceeds the setpoint by 10°F (or by 5°C) or the set temperature is lowered
by more than 10°F (or by 5°C), the display will red HI and the audible alarm will sound. Silence the alarm by
pressing ALARM RESET (Up ▲ arrow) until the alarm quits.
Turn off the Warming Cabinet chamber and wait for the contents to cool adequately. Then unload the
contents using personal protective equipment to avoid injury. Reload the contents using the proper loading
guidelines as previously mentioned in this manual.
Turn on the chamber and monitor performance. If the chamber continues to overheat into an alarm (HI)
condition, turn off the chamber and contact your MAC Medical authorized service personnel.
Troubleshooting Guide
Alerts & Description
Action Required
HI
with audible alarm
Cabinet temperature is 10°F (or 5°C) higher than setpoint. Silence the alarm by pressing
ALARM RESET (Up ▲ arrow) and open door(s) to allow the chamber(s) to cool.
LLLL
Input temperature is lower than input range. Check temperature probe and
connections. See below for additional troubleshooting.
HHHH
with audible alarm
Input temperature is higher than input range. Check temperature probe and
connections. See below for additional troubleshooting.
OPEn
with audible alarm
Temperature probe is at fault. Check connection, then replace and calibrate.
JIC
continuous or flashing
Control failure. Check connection first, then replace and calibrate.
Unit will not power up
1. Check outlet for power
2. Check if warmer is plugged in
3. Check if the ON/OFF switch/circuit breaker is turned on
4. Check the fuse on the incoming supply
5.
Check for power at the junction box in the control panel
6. Contact your MAC Medical authorized service representative
Chamber does not heat
1. Is the power turned on?
2. Is the temperature set above chamber ambient temperature?
3. Is the circulation fan operational? Open the door and press in on the door switch
4. Is there voltage on the output terminal of the controller?
5. Is the door(s) closed?
6. Contact your MAC Medical authorized service representative
Over temperature alarm
HI
is
activated
7. Is the circulating fan operational?
8. Are the contents loaded properly?
9. Has the chamber set temperature been lowered?
10. Temperature of the lower chamber cannot be in excess of +30°F (+1.1°C) above the
upper chamber
11. Contact your MAC Medial authorized service representative
Содержание D Series
Страница 41: ...Instruction Manual MAN 001 41 www macmedical com Wiring Diagram Single Chamber Warmers ...
Страница 42: ...Instruction Manual MAN 001 42 www macmedical com Wiring Diagram Dual Chamber Warmers ...
Страница 43: ...Instruction Manual MAN 001 43 www macmedical com Wiring Diagram Triple Chamber Warmers ...