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Фрагмент инструкции
15, 2001, check and AT CIRCUIT BREAKER. Is “CHECK WATER LEVEL” light on with door closed? Check all main fuses or circuit breaker, replace as necessary. Unit not heating up properly, or not cooking as fast, “ON” light lit. No Yes Drain unit. Turn unit on with door open. Add two gallons of water THROUGH TROUGH. Close door. Wait 10 minutes. Open door. Depress and hold door switch. Does unit have water? Add water according to start- up instructions on door. Wait 5 minutes, light should go off. Is bottom of unit covered with deposits? Check high limits and replace as necessary (see Figure 19 on page 30 or Figure 20 on Clean unit (see page 13). DISCONNECT POWER Does unit heat up? Remind operator of proper filling procedure. Yes No AT CIRCUIT BREAKER Yes No No Yes Does contactor “click” on and stay on for at least 1 minute? No Yes replace time delay relay as necessary (see Figure 21on page 32). page 31, as applicable). If high limits are OK, check that heater block mounting bolts are tightened to 75 inch- pounds. DISCONNECT POWER AT CIRCUIT BREAKER. Remove door switch lead wires from terminal block positions 2 and 3. Remove control panel. Depress door switch and check door switch lead wires for continuity (see Figure 16 on page 27 or Figure 17 on page 28, as applicable). Check resistance between contactor terminals and replace any bad elements (see Figure 10 on page 21). Continuity? Replace float switch and clean tube. Float switch and float tube OK? Remove rear cover Reconnect door switch lead wires. Check float switch for continuity and clean openings in float tube (see Figure 18 on page 29). Check and replace contactor (see Figure 13 on page 24) and controller (see Figure 22 No Yes No Yes Replace door switch. on page 33). TROUBLESHOOTING OPERATOR’S MANUAL 1178387 PAGE 17 TROUBLESHOOTING MODEL EZ-3 & EZ-5 COUNTERTOP STEAMERS Figure 6 Unit Using Excessive Amount of Water and/or Excessive Steam Coming from Vent Tube TROUBLESHOOTING Unit using excessive amount of water and/or excessive steam coming from vent tube behind the unit. No Yes Excessive steam? DISCONNECT POWER AT CIRCUIT BREAKER Remove control panel, but leave plug connected. Disconnect wire between float switch and controller (see applicable wiring diagram), reconnect power, turn unit on, and wait 12 minutes. DISCONNECT POWER AT CIRCUIT BREAKER DISCONNECT POWER AT CIRCUIT BREAKER Check controller (see Figure 22 on page 33). Replace as necessary. (On EZ-3 units built before Jan. 15, 2001, also check Time Delay Relay, see Figure 21 on page 32.) Check float switch and float tube. Replace float switch and clean float tube as necessary (see Figure 18 on page 29). Reconnect power. Wait 12 minutes. No Yes Excessive steam? Check contactor and replace Reinstall control panel, as necessary (see Figure 13 reconnect power. on page 24). Figure 7 “Check Water Level” Light Does Not Come On When Unit Runs Out of Water “CHECK WATER LEVEL” light does not come on when unit runs out of water. No Yes Is resistance over 100 Kohm? Remove wire C53 from “CHECK WATER LEVEL” light and check resistance across light terminals. Check high limits (see Figure 20 on page 31) Replace light. and replace as needed. PAGE 18 OPERATOR’S MANUAL 1178387 REV 7 MODEL EZ-3 & EZ-5 COUNTERTOP STEAMERS TROUBLESHOOTING Figure 8 Buzzer Does Not Come On Buzzer does not come on. No Yes Does timer time down? DISCONNECT POWER AT CIRCUIT BREAKER Remove control panel. Set timer for 5 minutes. Remove buzzer lead wires from timer. Replace timer. Check timer (see Figure 15 on page 26). No Yes Continuity? Replace timer. Replace buzzer (see Figure 15 on page 26). OPERATOR’S MANUAL 1178387 PAGE 19 TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING MODEL EZ-3 & EZ-5 COUNTERTOP STEAMERS Figure 9 Voltage Check at Control Panel Fuse Block D BA C "ON" Light Door Switch Power Switch Terminal Block Control Panel Fuse Block "CHECK WATER LEVEL" Light 1. Disconnect power at circuit breaker. 2. Remove control panel without disconnecting plug. 3. Turn lever to “ON” position. 4. Reconnect power. 5. Place leads as shown. 6. Check voltage. PAGE 20 OPERATOR’S MANUAL 1178387 REV 7 MODEL EZ-3 & EZ-5 COUNTERTOP STEAMERS TROUBLESHOOTING Figure 10 Heating Element Resistance Check (at contactor) B Contactor (top view) A C E D 1. Disconnect power at circuit breaker. 2. Remove control panel. 3. Place test leads between terminals A and C on left side of contactor. 4. Check the resistance and compare to the allowable range in the following table: Voltage Model EZ-3 Allowable Resistance (Ohms) Model EZ-5 Allowable Resistance (Ohms) 208 8 to 16 6 to 12 220 9 to 18 7 to 13 240 11 to 21 8 to 15 380 28 to 53 21 to 39 415 34 to 63 24 to 46 480 45 to 84 33 to 61 5. Check resistance between terminals A and B and between terminals B and C similarly. OPERATOR’S MANUAL 1178387 PAGE 21 TROUBLESHOOTING TROUBLESHOOTING MODEL EZ-3 & EZ-5 COUNTERTOP STEAMERS PAGE 22 OPERATOR’S MANUAL 1178387 REV 7 TROUBLESHOOTING Figure 11 Main Fuse Replacement (for units b...
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