Panasonic NRA4U2 NRA4U2 User Guide - Page 6

BEFORE CALLING FOR SERVICE Symptom Appliance does not operate (no fan, no light, no cooling action) Cooling performance unsatisfactory Dew formation Noisy operation Check Points Make sure that AC cord is not damaged and is plugged into an active power outlet. Excessive amount of food in the cavity Hot or warm food in the cavity Restricted air flow (poor ventilation) Direct sun light or other sources of heat Door being open too frequently Door not closed completely Hot items in the cavity Door being open too frequently Positioned on uneven surface, wobbling NOTE: The following ARE NOT considered a malfunction: 1. Low level humming sound produced by circulating pump. This low level sound may vary depending on ambient temperature and pump's duty cycle. 2. Dew formation on the outer cabinet. - 6 -