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INSTALLER'S TROUBLESHOOTING GUIDE
TROUBLE | POSSIBLE CAUSE | POSSIBLE REMEDY |
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No radio, no intercom. | No electrical power. | Be certain 120VAC, 60Hz power has been provided to the primaries of |
(No Display). |
| both 301T Transformers. No less than 16VAC should be measured on |
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| the secondary of either Transformer. |
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| Defective transformer. | Replace transformer. |
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No radio, intercom working. | Faulty Master Station. | Isolate Master Station from installation by removing ribbon cables from |
(AM/FM indicator on.). |
| terminal board and wait one minute for timeout. With power on, radio |
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| should be playing at Master. If no radio, Master is probably faulty. If |
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| radio plays, reconnect ribbon cables. |
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| Installation problem. | Check terminal board for shorted terminals or miswired cables. |
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| Remove one |
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| comes on, check speaker connections and run continuity check of |
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| speaker wiring. |
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| Antenna problem. | Check for shorted antenna connection. Remove antenna connector |
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| from tuner board and touch each pin with metallic object. If radio plays, |
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| antenna is not functioning; be sure it is installed properly. In weak |
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| signal areas, an outside antenna may be necessary. Also see |
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| Connecting Auxiliary AM Antenna |
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Low or distorted radio | Incorrect volume setting. | Follow “Setting Volume” instructions under OPERATIONAL |
volume. |
| CHECKOUT. |
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Low or no intercom volume | Improper operation. | Be sure remote speaker set for MONITOR has its volume control set |
from remote speaker in |
| between 1⁄2 and max, and receiving speakers have volume controls set |
MONITOR mode. |
| between 1⁄2 and max. Follow “SETTING VOLUME” instructions in |
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| Operation Checkout. |
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| Program and Intercom Volume | Follow these instructions whenever the radio tends to overpower |
| Control adjustment. | transmissions from a remote speaker in the MONITOR mode. These |
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| instructions will help you get the proper balance between the radio and |
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| the monitored speaker. |
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| 1. Set system volume control to midpoint. |
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| 2. Set master to CD/TAPE or AUX position. |
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| 3. Adjust volume control for each remote station and speaker in |
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| master station 3⁄4 position. |
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| 4. Set master to AM or FM and tune to a strong AM or FM station. |
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| 5. Adjust program volume control for a desired listening level. |
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| 6. Increase Intercom volume control setting. Adjust clockwise to |
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| desired monitor volume. |
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System squeals when using | Shorted wire on master or | Check for short between terminals or loose wire. |
intercom. | remote terminal board. |
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| Two or more Remote Stations on | Make separate cable |
| same wire run to Master. | Master. |
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| Speakers in adjacent rooms | If speakers are mounted directly back to back, one speaker will have to |
| mounted on common wall, or | be relocated. If speakers are in a common wall, try placing fiberglass |
| mounted back to back. | insulation behind each speaker, or isolate the speakers from the wall |
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| by placing rubber washers or weather stripping between speaker and |
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| wall. |
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| Improper wire used in | NuTone Model |
| installation. |
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| Improper double connections | Follow “Connecting the Remote Speaker Wiring” under |
| of Remote Stations on terminal | INSTALLATION. |
| screws 1, 2, 6 & 7. |
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